21842536

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40751}}^1$

素因数の和:40824

約数の個数: 16

約数和(自身を含む): 41567040

約数和(自身を除く): 19724504

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40751, 81502, 163004, 326008, 2730317, 5460634, 10921268, 21842536]

約数ペア:

[(1, 21842536), (2, 10921268), (4, 5460634), (8, 2730317), (67, 326008), (134, 163004), (268, 81502), (536, 40751)]