21996590

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 29713810

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 53, 55, 70, 77, 98, 106, 110, 121, 154, 242, 245, 265, 343, 371, 385, 490, 530, 539, 583, 605, 686, 742, 770, 847, 1078, 1166, 1210, 1694, 1715, 1855, 2597, 2695, 2915, 3430, 3710, 3773, 4081, 4235, 5194, 5390, 5830, 5929, 6413, 7546, 8162, 8470, 11858, 12826, 12985, 18179, 18865, 20405, 25970, 28567, 29645, 32065, 36358, 37730, 40810, 41503, 44891, 57134, 59290, 64130, 83006, 89782, 90895, 142835, 181790, 199969, 207515, 224455, 285670, 314237, 399938, 415030, 448910, 628474, 999845, 1571185, 1999690, 2199659, 3142370, 4399318, 10998295, 21996590]

約数ペア:

[(1, 21996590), (2, 10998295), (5, 4399318), (7, 3142370), (10, 2199659), (11, 1999690), (14, 1571185), (22, 999845), (35, 628474), (49, 448910), (53, 415030), (55, 399938), (70, 314237), (77, 285670), (98, 224455), (106, 207515), (110, 199969), (121, 181790), (154, 142835), (242, 90895), (245, 89782), (265, 83006), (343, 64130), (371, 59290), (385, 57134), (490, 44891), (530, 41503), (539, 40810), (583, 37730), (605, 36358), (686, 32065), (742, 29645), (770, 28567), (847, 25970), (1078, 20405), (1166, 18865), (1210, 18179), (1694, 12985), (1715, 12826), (1855, 11858), (2597, 8470), (2695, 8162), (2915, 7546), (3430, 6413), (3710, 5929), (3773, 5830), (4081, 5390), (4235, 5194)]