21426225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12457

約数の個数: 24

約数和(自身を含む): 36967872

約数和(自身を除く): 15541647

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12421, 37263, 62105, 186315, 285683, 310525, 857049, 931575, 1428415, 4285245, 7142075, 21426225]

約数ペア:

[(1, 21426225), (3, 7142075), (5, 4285245), (15, 1428415), (23, 931575), (25, 857049), (69, 310525), (75, 285683), (115, 186315), (345, 62105), (575, 37263), (1725, 12421)]