21024550

素因数分解:

$2^1\times 5^2\times {\mathrm{569}}^1\times {\mathrm{739}}^1$

素因数の和:1320

約数の個数: 24

約数和(自身を含む): 39227400

約数和(自身を除く): 18202850

約数列:

[1, 2, 5, 10, 25, 50, 569, 739, 1138, 1478, 2845, 3695, 5690, 7390, 14225, 18475, 28450, 36950, 420491, 840982, 2102455, 4204910, 10512275, 21024550]

約数ペア:

[(1, 21024550), (2, 10512275), (5, 4204910), (10, 2102455), (25, 840982), (50, 420491), (569, 36950), (739, 28450), (1138, 18475), (1478, 14225), (2845, 7390), (3695, 5690)]