21925015

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21601}}^1$

素因数の和:21642

約数の個数: 16

約数和(自身を含む): 31106880

約数和(自身を除く): 9181865

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 21601, 108005, 151207, 626429, 756035, 3132145, 4385003, 21925015]

約数ペア:

[(1, 21925015), (5, 4385003), (7, 3132145), (29, 756035), (35, 626429), (145, 151207), (203, 108005), (1015, 21601)]