21542472

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42743}}^1$

素因数の和:42762

約数の個数: 48

約数和(自身を含む): 66680640

約数和(自身を除く): 45138168

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, 42743, 85486, 128229, 170972, 256458, 299201, 341944, 384687, 512916, 598402, 769374, 897603, 1025832, 1196804, 1538748, 1795206, 2393608, 2692809, 3077496, 3590412, 5385618, 7180824, 10771236, 21542472]

約数ペア:

[(1, 21542472), (2, 10771236), (3, 7180824), (4, 5385618), (6, 3590412), (7, 3077496), (8, 2692809), (9, 2393608), (12, 1795206), (14, 1538748), (18, 1196804), (21, 1025832), (24, 897603), (28, 769374), (36, 598402), (42, 512916), (56, 384687), (63, 341944), (72, 299201), (84, 256458), (126, 170972), (168, 128229), (252, 85486), (504, 42743)]