21353641918

素因数分解:

$2^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{3131951}}^1$

素因数の和:3132447

約数の個数: 16

約数和(自身を含む): 36681421824

約数和(自身を除く): 15327779906

約数列:

[1, 2, 7, 14, 487, 974, 3409, 6818, 3131951, 6263902, 21923657, 43847314, 1525260137, 3050520274, 10676820959, 21353641918]

約数ペア:

[(1, 21353641918), (2, 10676820959), (7, 3050520274), (14, 1525260137), (487, 43847314), (974, 21923657), (3409, 6263902), (6818, 3131951)]