21747702676

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:810

約数の個数: 192

約数和(自身を含む): 49700818944

約数和(自身を除く): 27953116268

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 37, 61, 62, 68, 74, 119, 122, 124, 148, 217, 238, 244, 259, 427, 434, 476, 518, 527, 629, 653, 854, 868, 1036, 1037, 1054, 1147, 1258, 1306, 1708, 1891, 2074, 2108, 2257, 2294, 2516, 2612, 3689, 3782, 4148, 4403, 4514, 4571, 4588, 7259, 7378, 7564, 8029, 8806, 9028, 9142, 11101, 13237, 14518, 14756, 15799, 16058, 17612, 18284, 19499, 20243, 22202, 24161, 26474, 29036, 31598, 32116, 32147, 38369, 38998, 39833, 40486, 44404, 48322, 52948, 63196, 64294, 69967, 76738, 77707, 77996, 79666, 80972, 96644, 128588, 136493, 139934, 141701, 153476, 155414, 159332, 169127, 225029, 268583, 272986, 278831, 279868, 283402, 310828, 338254, 344131, 410737, 450058, 489769, 537166, 545972, 557662, 566804, 676508, 677161, 688262, 748991, 821474, 900116, 979538, 1074332, 1115324, 1189439, 1234823, 1354322, 1376524, 1473821, 1497982, 1642948, 1959076, 2378878, 2408917, 2469646, 2708644, 2875159, 2947642, 2995964, 4740127, 4757756, 4817834, 4939292, 5242937, 5750318, 5895284, 8326073, 8643761, 9480254, 9635668, 10316747, 10485874, 11500636, 12732847, 16652146, 17287522, 18960508, 20633494, 20971748, 20991991, 25054957, 25465694, 33304292, 34575044, 41266988, 41983982, 45688451, 50109914, 50931388, 83967964, 89129929, 91376902, 100219828, 146943937, 175384699, 178259858, 182753804, 293887874, 319819157, 350769398, 356519716, 587775748, 639638314, 701538796, 776703667, 1279276628, 1553407334, 3106814668, 5436925669, 10873851338, 21747702676]

約数ペア:

[(1, 21747702676), (2, 10873851338), (4, 5436925669), (7, 3106814668), (14, 1553407334), (17, 1279276628), (28, 776703667), (31, 701538796), (34, 639638314), (37, 587775748), (61, 356519716), (62, 350769398), (68, 319819157), (74, 293887874), (119, 182753804), (122, 178259858), (124, 175384699), (148, 146943937), (217, 100219828), (238, 91376902), (244, 89129929), (259, 83967964), (427, 50931388), (434, 50109914), (476, 45688451), (518, 41983982), (527, 41266988), (629, 34575044), (653, 33304292), (854, 25465694), (868, 25054957), (1036, 20991991), (1037, 20971748), (1054, 20633494), (1147, 18960508), (1258, 17287522), (1306, 16652146), (1708, 12732847), (1891, 11500636), (2074, 10485874), (2108, 10316747), (2257, 9635668), (2294, 9480254), (2516, 8643761), (2612, 8326073), (3689, 5895284), (3782, 5750318), (4148, 5242937), (4403, 4939292), (4514, 4817834), (4571, 4757756), (4588, 4740127), (7259, 2995964), (7378, 2947642), (7564, 2875159), (8029, 2708644), (8806, 2469646), (9028, 2408917), (9142, 2378878), (11101, 1959076), (13237, 1642948), (14518, 1497982), (14756, 1473821), (15799, 1376524), (16058, 1354322), (17612, 1234823), (18284, 1189439), (19499, 1115324), (20243, 1074332), (22202, 979538), (24161, 900116), (26474, 821474), (29036, 748991), (31598, 688262), (32116, 677161), (32147, 676508), (38369, 566804), (38998, 557662), (39833, 545972), (40486, 537166), (44404, 489769), (48322, 450058), (52948, 410737), (63196, 344131), (64294, 338254), (69967, 310828), (76738, 283402), (77707, 279868), (77996, 278831), (79666, 272986), (80972, 268583), (96644, 225029), (128588, 169127), (136493, 159332), (139934, 155414), (141701, 153476)]