21728644

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25033}}^1$

素因数の和:25075

約数の個数: 24

約数和(自身を含む): 44860928

約数和(自身を除く): 23132284

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25033, 50066, 100132, 175231, 350462, 700924, 776023, 1552046, 3104092, 5432161, 10864322, 21728644]

約数ペア:

[(1, 21728644), (2, 10864322), (4, 5432161), (7, 3104092), (14, 1552046), (28, 776023), (31, 700924), (62, 350462), (124, 175231), (217, 100132), (434, 50066), (868, 25033)]