21456456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127717}}^1$

素因数の和:127733

約数の個数: 32

約数和(自身を含む): 61304640

約数和(自身を除く): 39848184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127717, 255434, 383151, 510868, 766302, 894019, 1021736, 1532604, 1788038, 2682057, 3065208, 3576076, 5364114, 7152152, 10728228, 21456456]

約数ペア:

[(1, 21456456), (2, 10728228), (3, 7152152), (4, 5364114), (6, 3576076), (7, 3065208), (8, 2682057), (12, 1788038), (14, 1532604), (21, 1021736), (24, 894019), (28, 766302), (42, 510868), (56, 383151), (84, 255434), (168, 127717)]