21706435

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 4904765

約数列:

[1, 5, 79, 179, 307, 395, 895, 1535, 14141, 24253, 54953, 70705, 121265, 274765, 4341287, 21706435]

約数ペア:

[(1, 21706435), (5, 4341287), (79, 274765), (179, 121265), (307, 70705), (395, 54953), (895, 24253), (1535, 14141)]