21491531775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{3929}}^1$

素因数の和:4126

約数の個数: 144

約数和(自身を含む): 46221327360

約数和(自身を除く): 24729795585

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 115, 151, 161, 175, 207, 225, 315, 345, 453, 483, 525, 575, 755, 805, 1035, 1057, 1359, 1449, 1575, 1725, 2265, 2415, 3171, 3473, 3775, 3929, 4025, 5175, 5285, 6795, 7245, 9513, 10419, 11325, 11787, 12075, 15855, 17365, 19645, 24311, 26425, 27503, 31257, 33975, 35361, 36225, 47565, 52095, 58935, 72933, 79275, 82509, 86825, 90367, 98225, 121555, 137515, 156285, 176805, 218799, 237825, 247527, 260475, 271101, 294675, 364665, 412545, 451835, 593279, 607775, 632569, 687575, 781425, 813303, 884025, 1093995, 1237635, 1355505, 1779837, 1823325, 1897707, 2062725, 2259175, 2966395, 3162845, 4066515, 4152953, 5339511, 5469975, 5693121, 6188175, 6777525, 8899185, 9488535, 12458859, 13645417, 14831975, 15814225, 20332575, 20764765, 26697555, 28465605, 37376577, 40936251, 44495925, 47442675, 62294295, 68227085, 95517919, 103823825, 122808753, 133487775, 142328025, 186882885, 204681255, 286553757, 311471475, 341135425, 477589595, 614043765, 859661271, 934414425, 1023406275, 1432768785, 2387947975, 3070218825, 4298306355, 7163843925, 21491531775]

約数ペア:

[(1, 21491531775), (3, 7163843925), (5, 4298306355), (7, 3070218825), (9, 2387947975), (15, 1432768785), (21, 1023406275), (23, 934414425), (25, 859661271), (35, 614043765), (45, 477589595), (63, 341135425), (69, 311471475), (75, 286553757), (105, 204681255), (115, 186882885), (151, 142328025), (161, 133487775), (175, 122808753), (207, 103823825), (225, 95517919), (315, 68227085), (345, 62294295), (453, 47442675), (483, 44495925), (525, 40936251), (575, 37376577), (755, 28465605), (805, 26697555), (1035, 20764765), (1057, 20332575), (1359, 15814225), (1449, 14831975), (1575, 13645417), (1725, 12458859), (2265, 9488535), (2415, 8899185), (3171, 6777525), (3473, 6188175), (3775, 5693121), (3929, 5469975), (4025, 5339511), (5175, 4152953), (5285, 4066515), (6795, 3162845), (7245, 2966395), (9513, 2259175), (10419, 2062725), (11325, 1897707), (11787, 1823325), (12075, 1779837), (15855, 1355505), (17365, 1237635), (19645, 1093995), (24311, 884025), (26425, 813303), (27503, 781425), (31257, 687575), (33975, 632569), (35361, 607775), (36225, 593279), (47565, 451835), (52095, 412545), (58935, 364665), (72933, 294675), (79275, 271101), (82509, 260475), (86825, 247527), (90367, 237825), (98225, 218799), (121555, 176805), (137515, 156285)]