21698690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2011}}^1$

素因数の和:2114

約数の個数: 32

約数和(自身を含む): 42590016

約数和(自身を除く): 20891326

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2011, 2158, 4022, 5395, 10055, 10790, 20110, 26143, 52286, 130715, 166913, 261430, 333826, 834565, 1669130, 2169869, 4339738, 10849345, 21698690]

約数ペア:

[(1, 21698690), (2, 10849345), (5, 4339738), (10, 2169869), (13, 1669130), (26, 834565), (65, 333826), (83, 261430), (130, 166913), (166, 130715), (415, 52286), (830, 26143), (1079, 20110), (2011, 10790), (2158, 10055), (4022, 5395)]