21664826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6869}}^1$

素因数の和:6973

約数の個数: 16

約数和(自身を含む): 34624800

約数和(自身を除く): 12959974

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6869, 13738, 130511, 261022, 570127, 1140254, 10832413, 21664826]

約数ペア:

[(1, 21664826), (2, 10832413), (19, 1140254), (38, 570127), (83, 261022), (166, 130511), (1577, 13738), (3154, 6869)]