21425445

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8353}}^1$

素因数の和:8386

約数の個数: 32

約数和(自身を含む): 40099200

約数和(自身を除く): 18673755

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8353, 25059, 41765, 75177, 125295, 158707, 225531, 375885, 476121, 793535, 1127655, 1428363, 2380605, 4285089, 7141815, 21425445]

約数ペア:

[(1, 21425445), (3, 7141815), (5, 4285089), (9, 2380605), (15, 1428363), (19, 1127655), (27, 793535), (45, 476121), (57, 375885), (95, 225531), (135, 158707), (171, 125295), (285, 75177), (513, 41765), (855, 25059), (2565, 8353)]