21047544

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41761}}^1$

素因数の和:41780

約数の個数: 48

約数和(自身を含む): 65148720

約数和(自身を除く): 44101176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41761, 83522, 125283, 167044, 250566, 292327, 334088, 375849, 501132, 584654, 751698, 876981, 1002264, 1169308, 1503396, 1753962, 2338616, 2630943, 3006792, 3507924, 5261886, 7015848, 10523772, 21047544]

約数ペア:

[(1, 21047544), (2, 10523772), (3, 7015848), (4, 5261886), (6, 3507924), (7, 3006792), (8, 2630943), (9, 2338616), (12, 1753962), (14, 1503396), (18, 1169308), (21, 1002264), (24, 876981), (28, 751698), (36, 584654), (42, 501132), (56, 375849), (63, 334088), (72, 292327), (84, 250566), (126, 167044), (168, 125283), (252, 83522), (504, 41761)]