21921012

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11489}}^1$

素因数の和:11552

約数の個数: 36

約数和(自身を含む): 56461860

約数和(自身を除く): 34540848

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11489, 22978, 34467, 45956, 68934, 103401, 137868, 206802, 413604, 608917, 1217834, 1826751, 2435668, 3653502, 5480253, 7307004, 10960506, 21921012]

約数ペア:

[(1, 21921012), (2, 10960506), (3, 7307004), (4, 5480253), (6, 3653502), (9, 2435668), (12, 1826751), (18, 1217834), (36, 608917), (53, 413604), (106, 206802), (159, 137868), (212, 103401), (318, 68934), (477, 45956), (636, 34467), (954, 22978), (1908, 11489)]