21455484

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 53155200

約数和(自身を除く): 31699716

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 677, 834, 1354, 1668, 2031, 2641, 2708, 4062, 5282, 7923, 8124, 10564, 12863, 15846, 25726, 31692, 38589, 51452, 77178, 94103, 154356, 188206, 282309, 376412, 564618, 1129236, 1787957, 3575914, 5363871, 7151828, 10727742, 21455484]

約数ペア:

[(1, 21455484), (2, 10727742), (3, 7151828), (4, 5363871), (6, 3575914), (12, 1787957), (19, 1129236), (38, 564618), (57, 376412), (76, 282309), (114, 188206), (139, 154356), (228, 94103), (278, 77178), (417, 51452), (556, 38589), (677, 31692), (834, 25726), (1354, 15846), (1668, 12863), (2031, 10564), (2641, 8124), (2708, 7923), (4062, 5282)]