21047148

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3677}}^1$

素因数の和:3743

約数の個数: 48

約数和(自身を含む): 55611360

約数和(自身を除く): 34564212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3677, 5724, 7354, 11031, 14708, 22062, 33093, 44124, 66186, 99279, 132372, 194881, 198558, 389762, 397116, 584643, 779524, 1169286, 1753929, 2338572, 3507858, 5261787, 7015716, 10523574, 21047148]

約数ペア:

[(1, 21047148), (2, 10523574), (3, 7015716), (4, 5261787), (6, 3507858), (9, 2338572), (12, 1753929), (18, 1169286), (27, 779524), (36, 584643), (53, 397116), (54, 389762), (106, 198558), (108, 194881), (159, 132372), (212, 99279), (318, 66186), (477, 44124), (636, 33093), (954, 22062), (1431, 14708), (1908, 11031), (2862, 7354), (3677, 5724)]