21116068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3517}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 39401600

約数和(自身を除く): 18285532

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3517, 6004, 7034, 14068, 66823, 133646, 267292, 277843, 555686, 1111372, 5279017, 10558034, 21116068]

約数ペア:

[(1, 21116068), (2, 10558034), (4, 5279017), (19, 1111372), (38, 555686), (76, 277843), (79, 267292), (158, 133646), (316, 66823), (1501, 14068), (3002, 7034), (3517, 6004)]