21490190015

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21172601}}^1$

素因数の和:21172642

約数の個数: 16

約数和(自身を含む): 30488546880

約数和(自身を除く): 8998356865

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 21172601, 105863005, 148208207, 614005429, 741041035, 3070027145, 4298038003, 21490190015]

約数ペア:

[(1, 21490190015), (5, 4298038003), (7, 3070027145), (29, 741041035), (35, 614005429), (145, 148208207), (203, 105863005), (1015, 21172601)]