21804160118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2903}}^1\times {\mathrm{16993}}^1$

素因数の和:19928

約数の個数: 32

約数和(自身を含む): 37309035456

約数和(自身を除く): 15504875338

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 2903, 5806, 16993, 33986, 37739, 49351, 75478, 98702, 220909, 288881, 441818, 577762, 641563, 1283126, 3755453, 7510906, 49330679, 98661358, 641298827, 838621543, 1282597654, 1677243086, 10902080059, 21804160118]

約数ペア:

[(1, 21804160118), (2, 10902080059), (13, 1677243086), (17, 1282597654), (26, 838621543), (34, 641298827), (221, 98661358), (442, 49330679), (2903, 7510906), (5806, 3755453), (16993, 1283126), (33986, 641563), (37739, 577762), (49351, 441818), (75478, 288881), (98702, 220909)]