21474628

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3209}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 43142400

約数和(自身を除く): 21667772

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3209, 3346, 6418, 6692, 12836, 22463, 44926, 89852, 766951, 1533902, 3067804, 5368657, 10737314, 21474628]

約数ペア:

[(1, 21474628), (2, 10737314), (4, 5368657), (7, 3067804), (14, 1533902), (28, 766951), (239, 89852), (478, 44926), (956, 22463), (1673, 12836), (3209, 6692), (3346, 6418)]