21807044

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5227}}^1$

素因数の和:5387

約数の個数: 24

約数和(自身を含む): 43915200

約数和(自身を除く): 22108156

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5227, 10454, 20908, 36589, 73178, 146356, 778823, 1557646, 3115292, 5451761, 10903522, 21807044]

約数ペア:

[(1, 21807044), (2, 10903522), (4, 5451761), (7, 3115292), (14, 1557646), (28, 778823), (149, 146356), (298, 73178), (596, 36589), (1043, 20908), (2086, 10454), (4172, 5227)]