21595716

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 57983744

約数和(自身を除く): 36388028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 37, 62, 74, 93, 111, 124, 148, 186, 222, 279, 333, 372, 444, 523, 558, 666, 1046, 1116, 1147, 1332, 1569, 2092, 2294, 3138, 3441, 4588, 4707, 6276, 6882, 9414, 10323, 13764, 16213, 18828, 19351, 20646, 32426, 38702, 41292, 48639, 58053, 64852, 77404, 97278, 116106, 145917, 174159, 194556, 232212, 291834, 348318, 583668, 599881, 696636, 1199762, 1799643, 2399524, 3599286, 5398929, 7198572, 10797858, 21595716]

約数ペア:

[(1, 21595716), (2, 10797858), (3, 7198572), (4, 5398929), (6, 3599286), (9, 2399524), (12, 1799643), (18, 1199762), (31, 696636), (36, 599881), (37, 583668), (62, 348318), (74, 291834), (93, 232212), (111, 194556), (124, 174159), (148, 145917), (186, 116106), (222, 97278), (279, 77404), (333, 64852), (372, 58053), (444, 48639), (523, 41292), (558, 38702), (666, 32426), (1046, 20646), (1116, 19351), (1147, 18828), (1332, 16213), (1569, 13764), (2092, 10323), (2294, 9414), (3138, 6882), (3441, 6276), (4588, 4707)]