21502735

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2473}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 27075456

約数和(自身を除く): 5572721

約数列:

[1, 5, 37, 47, 185, 235, 1739, 2473, 8695, 12365, 91501, 116231, 457505, 581155, 4300547, 21502735]

約数ペア:

[(1, 21502735), (5, 4300547), (37, 581155), (47, 457505), (185, 116231), (235, 91501), (1739, 12365), (2473, 8695)]