21759484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1499}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 40320000

約数和(自身を除く): 18560516

約数列:

[1, 2, 4, 19, 38, 76, 191, 382, 764, 1499, 2998, 3629, 5996, 7258, 14516, 28481, 56962, 113924, 286309, 572618, 1145236, 5439871, 10879742, 21759484]

約数ペア:

[(1, 21759484), (2, 10879742), (4, 5439871), (19, 1145236), (38, 572618), (76, 286309), (191, 113924), (382, 56962), (764, 28481), (1499, 14516), (2998, 7258), (3629, 5996)]