21500472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127979}}^1$

素因数の和:127995

約数の個数: 32

約数和(自身を含む): 61430400

約数和(自身を除く): 39929928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127979, 255958, 383937, 511916, 767874, 895853, 1023832, 1535748, 1791706, 2687559, 3071496, 3583412, 5375118, 7166824, 10750236, 21500472]

約数ペア:

[(1, 21500472), (2, 10750236), (3, 7166824), (4, 5375118), (6, 3583412), (7, 3071496), (8, 2687559), (12, 1791706), (14, 1535748), (21, 1023832), (24, 895853), (28, 767874), (42, 511916), (56, 383937), (84, 255958), (168, 127979)]