21195226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15576614

約数列:

[1, 2, 13, 17, 26, 34, 79, 158, 221, 442, 607, 1027, 1214, 1343, 2054, 2686, 7891, 10319, 15782, 17459, 20638, 34918, 47953, 95906, 134147, 268294, 623389, 815201, 1246778, 1630402, 10597613, 21195226]

約数ペア:

[(1, 21195226), (2, 10597613), (13, 1630402), (17, 1246778), (26, 815201), (34, 623389), (79, 268294), (158, 134147), (221, 95906), (442, 47953), (607, 34918), (1027, 20638), (1214, 17459), (1343, 15782), (2054, 10319), (2686, 7891)]