21157206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503743}}^1$

素因数の和:503755

約数の個数: 16

約数和(自身を含む): 48359424

約数和(自身を除く): 27202218

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503743, 1007486, 1511229, 3022458, 3526201, 7052402, 10578603, 21157206]

約数ペア:

[(1, 21157206), (2, 10578603), (3, 7052402), (6, 3526201), (7, 3022458), (14, 1511229), (21, 1007486), (42, 503743)]