21117704

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{14747}}^1$

素因数の和:14932

約数の個数: 16

約数和(自身を含む): 39819600

約数和(自身を除く): 18701896

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 14747, 29494, 58988, 117976, 2639713, 5279426, 10558852, 21117704]

約数ペア:

[(1, 21117704), (2, 10558852), (4, 5279426), (8, 2639713), (179, 117976), (358, 58988), (716, 29494), (1432, 14747)]