21345936

素因数分解:

$2^4\times 3^1\times {\mathrm{439}}^1\times {\mathrm{1013}}^1$

素因数の和:1463

約数の個数: 40

約数和(自身を含む): 55323840

約数和(自身を除く): 33977904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439, 878, 1013, 1317, 1756, 2026, 2634, 3039, 3512, 4052, 5268, 6078, 7024, 8104, 10536, 12156, 16208, 21072, 24312, 48624, 444707, 889414, 1334121, 1778828, 2668242, 3557656, 5336484, 7115312, 10672968, 21345936]

約数ペア:

[(1, 21345936), (2, 10672968), (3, 7115312), (4, 5336484), (6, 3557656), (8, 2668242), (12, 1778828), (16, 1334121), (24, 889414), (48, 444707), (439, 48624), (878, 24312), (1013, 21072), (1317, 16208), (1756, 12156), (2026, 10536), (2634, 8104), (3039, 7024), (3512, 6078), (4052, 5268)]