21399536

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22669}}^1$

素因数の和:22736

約数の個数: 20

約数和(自身を含む): 42166200

約数和(自身を除く): 20766664

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22669, 45338, 90676, 181352, 362704, 1337471, 2674942, 5349884, 10699768, 21399536]

約数ペア:

[(1, 21399536), (2, 10699768), (4, 5349884), (8, 2674942), (16, 1337471), (59, 362704), (118, 181352), (236, 90676), (472, 45338), (944, 22669)]