21059571780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{176467}}^1$

素因数の和:176515

約数の個数: 192

約数和(自身を含む): 74709492480

約数和(自身を除く): 53649920700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 390, 442, 459, 468, 510, 540, 585, 612, 663, 702, 765, 780, 884, 918, 1020, 1105, 1170, 1326, 1404, 1530, 1755, 1836, 1989, 2210, 2295, 2340, 2652, 3060, 3315, 3510, 3978, 4420, 4590, 5967, 6630, 7020, 7956, 9180, 9945, 11934, 13260, 19890, 23868, 29835, 39780, 59670, 119340, 176467, 352934, 529401, 705868, 882335, 1058802, 1588203, 1764670, 2117604, 2294071, 2647005, 2999939, 3176406, 3529340, 4588142, 4764609, 5294010, 5999878, 6352812, 6882213, 7941015, 8999817, 9176284, 9529218, 10588020, 11470355, 11999756, 13764426, 14999695, 15882030, 17999634, 19058436, 20646639, 22940710, 23823045, 26999451, 27528852, 29999390, 31764060, 34411065, 35999268, 38999207, 41293278, 44999085, 45881420, 47646090, 53998902, 59998780, 61939917, 68822130, 77998414, 80998353, 82586556, 89998170, 95292180, 103233195, 107997804, 116997621, 123879834, 134997255, 137644260, 155996828, 161996706, 179996340, 194996035, 206466390, 233995242, 247759668, 269994510, 309699585, 323993412, 350992863, 389992070, 404991765, 412932780, 467990484, 539989020, 584988105, 619399170, 701985726, 779984140, 809983530, 1052978589, 1169976210, 1238798340, 1403971452, 1619967060, 1754964315, 2105957178, 2339952420, 3509928630, 4211914356, 5264892945, 7019857260, 10529785890, 21059571780]

約数ペア:

[(1, 21059571780), (2, 10529785890), (3, 7019857260), (4, 5264892945), (5, 4211914356), (6, 3509928630), (9, 2339952420), (10, 2105957178), (12, 1754964315), (13, 1619967060), (15, 1403971452), (17, 1238798340), (18, 1169976210), (20, 1052978589), (26, 809983530), (27, 779984140), (30, 701985726), (34, 619399170), (36, 584988105), (39, 539989020), (45, 467990484), (51, 412932780), (52, 404991765), (54, 389992070), (60, 350992863), (65, 323993412), (68, 309699585), (78, 269994510), (85, 247759668), (90, 233995242), (102, 206466390), (108, 194996035), (117, 179996340), (130, 161996706), (135, 155996828), (153, 137644260), (156, 134997255), (170, 123879834), (180, 116997621), (195, 107997804), (204, 103233195), (221, 95292180), (234, 89998170), (255, 82586556), (260, 80998353), (270, 77998414), (306, 68822130), (340, 61939917), (351, 59998780), (390, 53998902), (442, 47646090), (459, 45881420), (468, 44999085), (510, 41293278), (540, 38999207), (585, 35999268), (612, 34411065), (663, 31764060), (702, 29999390), (765, 27528852), (780, 26999451), (884, 23823045), (918, 22940710), (1020, 20646639), (1105, 19058436), (1170, 17999634), (1326, 15882030), (1404, 14999695), (1530, 13764426), (1755, 11999756), (1836, 11470355), (1989, 10588020), (2210, 9529218), (2295, 9176284), (2340, 8999817), (2652, 7941015), (3060, 6882213), (3315, 6352812), (3510, 5999878), (3978, 5294010), (4420, 4764609), (4590, 4588142), (5967, 3529340), (6630, 3176406), (7020, 2999939), (7956, 2647005), (9180, 2294071), (9945, 2117604), (11934, 1764670), (13260, 1588203), (19890, 1058802), (23868, 882335), (29835, 705868), (39780, 529401), (59670, 352934), (119340, 176467)]