21402444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254791}}^1$

素因数の和:254805

約数の個数: 24

約数和(自身を含む): 57073408

約数和(自身を除く): 35670964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254791, 509582, 764373, 1019164, 1528746, 1783537, 3057492, 3567074, 5350611, 7134148, 10701222, 21402444]

約数ペア:

[(1, 21402444), (2, 10701222), (3, 7134148), (4, 5350611), (6, 3567074), (7, 3057492), (12, 1783537), (14, 1528746), (21, 1019164), (28, 764373), (42, 509582), (84, 254791)]