21288876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253439}}^1$

素因数の和:253453

約数の個数: 24

約数和(自身を含む): 56770560

約数和(自身を除く): 35481684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253439, 506878, 760317, 1013756, 1520634, 1774073, 3041268, 3548146, 5322219, 7096292, 10644438, 21288876]

約数ペア:

[(1, 21288876), (2, 10644438), (3, 7096292), (4, 5322219), (6, 3548146), (7, 3041268), (12, 1774073), (14, 1520634), (21, 1013756), (28, 760317), (42, 506878), (84, 253439)]