21518986

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1\times {\mathrm{659}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 33501600

約数和(自身を除く): 11982614

約数列:

[1, 2, 29, 58, 563, 659, 1126, 1318, 16327, 19111, 32654, 38222, 371017, 742034, 10759493, 21518986]

約数ペア:

[(1, 21518986), (2, 10759493), (29, 742034), (58, 371017), (563, 38222), (659, 32654), (1126, 19111), (1318, 16327)]