21472808

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1249}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 46200000

約数和(自身を除く): 24727192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 1249, 2149, 2456, 2498, 4298, 4996, 8596, 8743, 9992, 17192, 17486, 34972, 69944, 383443, 766886, 1533772, 2684101, 3067544, 5368202, 10736404, 21472808]

約数ペア:

[(1, 21472808), (2, 10736404), (4, 5368202), (7, 3067544), (8, 2684101), (14, 1533772), (28, 766886), (56, 383443), (307, 69944), (614, 34972), (1228, 17486), (1249, 17192), (2149, 9992), (2456, 8743), (2498, 8596), (4298, 4996)]