21528688

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7517}}^1$

素因数の和:7704

約数の個数: 20

約数和(自身を含む): 41950440

約数和(自身を除く): 20421752

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7517, 15034, 30068, 60136, 120272, 1345543, 2691086, 5382172, 10764344, 21528688]

約数ペア:

[(1, 21528688), (2, 10764344), (4, 5382172), (8, 2691086), (16, 1345543), (179, 120272), (358, 60136), (716, 30068), (1432, 15034), (2864, 7517)]