21481596

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13877}}^1$

素因数の和:13930

約数の個数: 36

約数和(自身を含む): 55567512

約数和(自身を除く): 34085916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13877, 27754, 41631, 55508, 83262, 124893, 166524, 249786, 499572, 596711, 1193422, 1790133, 2386844, 3580266, 5370399, 7160532, 10740798, 21481596]

約数ペア:

[(1, 21481596), (2, 10740798), (3, 7160532), (4, 5370399), (6, 3580266), (9, 2386844), (12, 1790133), (18, 1193422), (36, 596711), (43, 499572), (86, 249786), (129, 166524), (172, 124893), (258, 83262), (387, 55508), (516, 41631), (774, 27754), (1548, 13877)]