21372456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127217}}^1$

素因数の和:127233

約数の個数: 32

約数和(自身を含む): 61064640

約数和(自身を除く): 39692184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127217, 254434, 381651, 508868, 763302, 890519, 1017736, 1526604, 1781038, 2671557, 3053208, 3562076, 5343114, 7124152, 10686228, 21372456]

約数ペア:

[(1, 21372456), (2, 10686228), (3, 7124152), (4, 5343114), (6, 3562076), (7, 3053208), (8, 2671557), (12, 1781038), (14, 1526604), (21, 1017736), (24, 890519), (28, 763302), (42, 508868), (56, 381651), (84, 254434), (168, 127217)]