21565042380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{216647}}^1$

素因数の和:216748

約数の個数: 144

約数和(自身を含む): 75705477120

約数和(自身を除く): 54140434740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2370, 2765, 2844, 3318, 3555, 4740, 4977, 5530, 6636, 7110, 8295, 9954, 11060, 14220, 16590, 19908, 24885, 33180, 49770, 99540, 216647, 433294, 649941, 866588, 1083235, 1299882, 1516529, 1949823, 2166470, 2599764, 3033058, 3249705, 3899646, 4332940, 4549587, 6066116, 6499410, 7582645, 7799292, 9099174, 9749115, 12998820, 13648761, 15165290, 17115113, 18198348, 19498230, 22747935, 27297522, 30330580, 34230226, 38996460, 45495870, 51345339, 54595044, 68243805, 68460452, 85575565, 90991740, 102690678, 119805791, 136487610, 154036017, 171151130, 205381356, 239611582, 256726695, 272975220, 308072034, 342302260, 359417373, 479223164, 513453390, 599028955, 616144068, 718834746, 770180085, 1026906780, 1078252119, 1198057910, 1437669492, 1540360170, 1797086865, 2156504238, 2396115820, 3080720340, 3594173730, 4313008476, 5391260595, 7188347460, 10782521190, 21565042380]

約数ペア:

[(1, 21565042380), (2, 10782521190), (3, 7188347460), (4, 5391260595), (5, 4313008476), (6, 3594173730), (7, 3080720340), (9, 2396115820), (10, 2156504238), (12, 1797086865), (14, 1540360170), (15, 1437669492), (18, 1198057910), (20, 1078252119), (21, 1026906780), (28, 770180085), (30, 718834746), (35, 616144068), (36, 599028955), (42, 513453390), (45, 479223164), (60, 359417373), (63, 342302260), (70, 308072034), (79, 272975220), (84, 256726695), (90, 239611582), (105, 205381356), (126, 171151130), (140, 154036017), (158, 136487610), (180, 119805791), (210, 102690678), (237, 90991740), (252, 85575565), (315, 68460452), (316, 68243805), (395, 54595044), (420, 51345339), (474, 45495870), (553, 38996460), (630, 34230226), (711, 30330580), (790, 27297522), (948, 22747935), (1106, 19498230), (1185, 18198348), (1260, 17115113), (1422, 15165290), (1580, 13648761), (1659, 12998820), (2212, 9749115), (2370, 9099174), (2765, 7799292), (2844, 7582645), (3318, 6499410), (3555, 6066116), (4740, 4549587), (4977, 4332940), (5530, 3899646), (6636, 3249705), (7110, 3033058), (8295, 2599764), (9954, 2166470), (11060, 1949823), (14220, 1516529), (16590, 1299882), (19908, 1083235), (24885, 866588), (33180, 649941), (49770, 433294), (99540, 216647)]