21142542

素因数分解:

$2^1\times 3^1\times {\mathrm{1553}}^1\times {\mathrm{2269}}^1$

素因数の和:3827

約数の個数: 16

約数和(自身を含む): 42330960

約数和(自身を除く): 21188418

約数列:

[1, 2, 3, 6, 1553, 2269, 3106, 4538, 4659, 6807, 9318, 13614, 3523757, 7047514, 10571271, 21142542]

約数ペア:

[(1, 21142542), (2, 10571271), (3, 7047514), (6, 3523757), (1553, 13614), (2269, 9318), (3106, 6807), (4538, 4659)]