21370816

素因数分解:

$2^6\times {\mathrm{131}}^1\times {\mathrm{2549}}^1$

素因数の和:2692

約数の個数: 28

約数和(自身を含む): 42748200

約数和(自身を除く): 21377384

約数列:

[1, 2, 4, 8, 16, 32, 64, 131, 262, 524, 1048, 2096, 2549, 4192, 5098, 8384, 10196, 20392, 40784, 81568, 163136, 333919, 667838, 1335676, 2671352, 5342704, 10685408, 21370816]

約数ペア:

[(1, 21370816), (2, 10685408), (4, 5342704), (8, 2671352), (16, 1335676), (32, 667838), (64, 333919), (131, 163136), (262, 81568), (524, 40784), (1048, 20392), (2096, 10196), (2549, 8384), (4192, 5098)]