21523888980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{42967}}^1$

素因数の和:43027

約数の個数: 216

約数和(自身を含む): 74886005376

約数和(自身を除く): 53362116396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 121, 132, 138, 165, 180, 198, 207, 220, 230, 242, 253, 276, 330, 345, 363, 396, 414, 460, 484, 495, 506, 605, 660, 690, 726, 759, 828, 990, 1012, 1035, 1089, 1210, 1265, 1380, 1452, 1518, 1815, 1980, 2070, 2178, 2277, 2420, 2530, 2783, 3036, 3630, 3795, 4140, 4356, 4554, 5060, 5445, 5566, 7260, 7590, 8349, 9108, 10890, 11132, 11385, 13915, 15180, 16698, 21780, 22770, 25047, 27830, 33396, 41745, 42967, 45540, 50094, 55660, 83490, 85934, 100188, 125235, 128901, 166980, 171868, 214835, 250470, 257802, 386703, 429670, 472637, 500940, 515604, 644505, 773406, 859340, 945274, 988241, 1289010, 1417911, 1546812, 1890548, 1933515, 1976482, 2363185, 2578020, 2835822, 2964723, 3867030, 3952964, 4253733, 4726370, 4941205, 5199007, 5671644, 5929446, 7089555, 7734060, 8507466, 8894169, 9452740, 9882410, 10398014, 10870651, 11858892, 14179110, 14823615, 15597021, 17014932, 17788338, 19764820, 20796028, 21268665, 21741302, 25995035, 28358220, 29647230, 31194042, 32611953, 35576676, 42537330, 43482604, 44470845, 46791063, 51990070, 54353255, 59294460, 62388084, 65223906, 77985105, 85074660, 88941690, 93582126, 97835859, 103980140, 108706510, 119577161, 130447812, 155970210, 163059765, 177883380, 187164252, 195671718, 217413020, 233955315, 239154322, 311940420, 326119530, 358731483, 391343436, 467910630, 478308644, 489179295, 597885805, 652239060, 717462966, 935821260, 978358590, 1076194449, 1195771610, 1434925932, 1793657415, 1956717180, 2152388898, 2391543220, 3587314830, 4304777796, 5380972245, 7174629660, 10761944490, 21523888980]

約数ペア:

[(1, 21523888980), (2, 10761944490), (3, 7174629660), (4, 5380972245), (5, 4304777796), (6, 3587314830), (9, 2391543220), (10, 2152388898), (11, 1956717180), (12, 1793657415), (15, 1434925932), (18, 1195771610), (20, 1076194449), (22, 978358590), (23, 935821260), (30, 717462966), (33, 652239060), (36, 597885805), (44, 489179295), (45, 478308644), (46, 467910630), (55, 391343436), (60, 358731483), (66, 326119530), (69, 311940420), (90, 239154322), (92, 233955315), (99, 217413020), (110, 195671718), (115, 187164252), (121, 177883380), (132, 163059765), (138, 155970210), (165, 130447812), (180, 119577161), (198, 108706510), (207, 103980140), (220, 97835859), (230, 93582126), (242, 88941690), (253, 85074660), (276, 77985105), (330, 65223906), (345, 62388084), (363, 59294460), (396, 54353255), (414, 51990070), (460, 46791063), (484, 44470845), (495, 43482604), (506, 42537330), (605, 35576676), (660, 32611953), (690, 31194042), (726, 29647230), (759, 28358220), (828, 25995035), (990, 21741302), (1012, 21268665), (1035, 20796028), (1089, 19764820), (1210, 17788338), (1265, 17014932), (1380, 15597021), (1452, 14823615), (1518, 14179110), (1815, 11858892), (1980, 10870651), (2070, 10398014), (2178, 9882410), (2277, 9452740), (2420, 8894169), (2530, 8507466), (2783, 7734060), (3036, 7089555), (3630, 5929446), (3795, 5671644), (4140, 5199007), (4356, 4941205), (4554, 4726370), (5060, 4253733), (5445, 3952964), (5566, 3867030), (7260, 2964723), (7590, 2835822), (8349, 2578020), (9108, 2363185), (10890, 1976482), (11132, 1933515), (11385, 1890548), (13915, 1546812), (15180, 1417911), (16698, 1289010), (21780, 988241), (22770, 945274), (25047, 859340), (27830, 773406), (33396, 644505), (41745, 515604), (42967, 500940), (45540, 472637), (50094, 429670), (55660, 386703), (83490, 257802), (85934, 250470), (100188, 214835), (125235, 171868), (128901, 166980)]