21266616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 61401600

約数和(自身を除く): 40134984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 103, 168, 206, 309, 412, 618, 721, 824, 1229, 1236, 1442, 2163, 2458, 2472, 2884, 3687, 4326, 4916, 5768, 7374, 8603, 8652, 9832, 14748, 17206, 17304, 25809, 29496, 34412, 51618, 68824, 103236, 126587, 206472, 253174, 379761, 506348, 759522, 886109, 1012696, 1519044, 1772218, 2658327, 3038088, 3544436, 5316654, 7088872, 10633308, 21266616]

約数ペア:

[(1, 21266616), (2, 10633308), (3, 7088872), (4, 5316654), (6, 3544436), (7, 3038088), (8, 2658327), (12, 1772218), (14, 1519044), (21, 1012696), (24, 886109), (28, 759522), (42, 506348), (56, 379761), (84, 253174), (103, 206472), (168, 126587), (206, 103236), (309, 68824), (412, 51618), (618, 34412), (721, 29496), (824, 25809), (1229, 17304), (1236, 17206), (1442, 14748), (2163, 9832), (2458, 8652), (2472, 8603), (2884, 7374), (3687, 5768), (4326, 4916)]