21835558640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{48079}}^1$

素因数の和:48910

約数の個数: 80

約数和(自身を含む): 58092948480

約数和(自身を除く): 36257389840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 811, 1622, 3244, 4055, 5677, 6488, 8110, 11354, 12976, 16220, 22708, 28385, 32440, 45416, 48079, 56770, 64880, 90832, 96158, 113540, 192316, 227080, 240395, 336553, 384632, 454160, 480790, 673106, 769264, 961580, 1346212, 1682765, 1923160, 2692424, 3365530, 3846320, 5384848, 6731060, 13462120, 26924240, 38992069, 77984138, 155968276, 194960345, 272944483, 311936552, 389920690, 545888966, 623873104, 779841380, 1091777932, 1364722415, 1559682760, 2183555864, 2729444830, 3119365520, 4367111728, 5458889660, 10917779320, 21835558640]

約数ペア:

[(1, 21835558640), (2, 10917779320), (4, 5458889660), (5, 4367111728), (7, 3119365520), (8, 2729444830), (10, 2183555864), (14, 1559682760), (16, 1364722415), (20, 1091777932), (28, 779841380), (35, 623873104), (40, 545888966), (56, 389920690), (70, 311936552), (80, 272944483), (112, 194960345), (140, 155968276), (280, 77984138), (560, 38992069), (811, 26924240), (1622, 13462120), (3244, 6731060), (4055, 5384848), (5677, 3846320), (6488, 3365530), (8110, 2692424), (11354, 1923160), (12976, 1682765), (16220, 1346212), (22708, 961580), (28385, 769264), (32440, 673106), (45416, 480790), (48079, 454160), (56770, 384632), (64880, 336553), (90832, 240395), (96158, 227080), (113540, 192316)]