21418416

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2521}}^1$

素因数の和:2594

約数の個数: 60

約数和(自身を含む): 60981960

約数和(自身を除く): 39563544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2521, 2832, 4248, 5042, 7563, 8496, 10084, 15126, 20168, 22689, 30252, 40336, 45378, 60504, 90756, 121008, 148739, 181512, 297478, 363024, 446217, 594956, 892434, 1189912, 1338651, 1784868, 2379824, 2677302, 3569736, 5354604, 7139472, 10709208, 21418416]

約数ペア:

[(1, 21418416), (2, 10709208), (3, 7139472), (4, 5354604), (6, 3569736), (8, 2677302), (9, 2379824), (12, 1784868), (16, 1338651), (18, 1189912), (24, 892434), (36, 594956), (48, 446217), (59, 363024), (72, 297478), (118, 181512), (144, 148739), (177, 121008), (236, 90756), (354, 60504), (472, 45378), (531, 40336), (708, 30252), (944, 22689), (1062, 20168), (1416, 15126), (2124, 10084), (2521, 8496), (2832, 7563), (4248, 5042)]