21250842

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22294758

約数列:

[1, 2, 3, 6, 79, 107, 158, 214, 237, 321, 419, 474, 642, 838, 1257, 2514, 8453, 16906, 25359, 33101, 44833, 50718, 66202, 89666, 99303, 134499, 198606, 268998, 3541807, 7083614, 10625421, 21250842]

約数ペア:

[(1, 21250842), (2, 10625421), (3, 7083614), (6, 3541807), (79, 268998), (107, 198606), (158, 134499), (214, 99303), (237, 89666), (321, 66202), (419, 50718), (474, 44833), (642, 33101), (838, 25359), (1257, 16906), (2514, 8453)]