21910588

素因数分解:

$2^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2909}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 43999200

約数和(自身を除く): 22088612

約数列:

[1, 2, 4, 7, 14, 28, 269, 538, 1076, 1883, 2909, 3766, 5818, 7532, 11636, 20363, 40726, 81452, 782521, 1565042, 3130084, 5477647, 10955294, 21910588]

約数ペア:

[(1, 21910588), (2, 10955294), (4, 5477647), (7, 3130084), (14, 1565042), (28, 782521), (269, 81452), (538, 40726), (1076, 20363), (1883, 11636), (2909, 7532), (3766, 5818)]