21000453628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3389}}^1$

素因数の和:3512

約数の個数: 144

約数和(自身を含む): 48477542400

約数和(自身を除く): 27477088772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 59, 62, 77, 118, 121, 124, 154, 217, 236, 242, 308, 341, 413, 434, 484, 649, 682, 826, 847, 868, 1298, 1364, 1652, 1694, 1829, 2387, 2596, 3388, 3389, 3658, 3751, 4543, 4774, 6778, 7139, 7316, 7502, 9086, 9548, 12803, 13556, 14278, 15004, 18172, 20119, 23723, 25606, 26257, 28556, 37279, 40238, 47446, 49973, 51212, 52514, 74558, 80476, 94892, 99946, 105028, 105059, 140833, 149116, 199892, 199951, 210118, 221309, 260953, 281666, 399902, 410069, 420236, 442618, 521906, 563332, 735413, 799804, 820138, 885236, 1043812, 1155649, 1399657, 1470826, 1549163, 1640276, 2199461, 2311298, 2799314, 2870483, 2941652, 3098326, 4398922, 4622596, 5598628, 5740966, 6196652, 6198481, 8089543, 8797844, 11481932, 12396962, 12712139, 15396227, 16179086, 24194071, 24793924, 25424278, 30792454, 32358172, 43389367, 48388142, 50848556, 61584908, 68183291, 86778734, 88984973, 96776284, 136366582, 169358497, 173557468, 177969946, 272733164, 338716994, 355939892, 477283037, 677433988, 750016201, 954566074, 1500032402, 1909132148, 3000064804, 5250113407, 10500226814, 21000453628]

約数ペア:

[(1, 21000453628), (2, 10500226814), (4, 5250113407), (7, 3000064804), (11, 1909132148), (14, 1500032402), (22, 954566074), (28, 750016201), (31, 677433988), (44, 477283037), (59, 355939892), (62, 338716994), (77, 272733164), (118, 177969946), (121, 173557468), (124, 169358497), (154, 136366582), (217, 96776284), (236, 88984973), (242, 86778734), (308, 68183291), (341, 61584908), (413, 50848556), (434, 48388142), (484, 43389367), (649, 32358172), (682, 30792454), (826, 25424278), (847, 24793924), (868, 24194071), (1298, 16179086), (1364, 15396227), (1652, 12712139), (1694, 12396962), (1829, 11481932), (2387, 8797844), (2596, 8089543), (3388, 6198481), (3389, 6196652), (3658, 5740966), (3751, 5598628), (4543, 4622596), (4774, 4398922), (6778, 3098326), (7139, 2941652), (7316, 2870483), (7502, 2799314), (9086, 2311298), (9548, 2199461), (12803, 1640276), (13556, 1549163), (14278, 1470826), (15004, 1399657), (18172, 1155649), (20119, 1043812), (23723, 885236), (25606, 820138), (26257, 799804), (28556, 735413), (37279, 563332), (40238, 521906), (47446, 442618), (49973, 420236), (51212, 410069), (52514, 399902), (74558, 281666), (80476, 260953), (94892, 221309), (99946, 210118), (105028, 199951), (105059, 199892), (140833, 149116)]