21696828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{106357}}^1$

素因数の和:106381

約数の個数: 24

約数和(自身を含む): 53604432

約数和(自身を除く): 31907604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 106357, 212714, 319071, 425428, 638142, 1276284, 1808069, 3616138, 5424207, 7232276, 10848414, 21696828]

約数ペア:

[(1, 21696828), (2, 10848414), (3, 7232276), (4, 5424207), (6, 3616138), (12, 1808069), (17, 1276284), (34, 638142), (51, 425428), (68, 319071), (102, 212714), (204, 106357)]