21205656

素因数分解:

$2^3\times 3^2\times {\mathrm{294523}}^1$

素因数の和:294535

約数の個数: 24

約数和(自身を含む): 57432180

約数和(自身を除く): 36226524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 294523, 589046, 883569, 1178092, 1767138, 2356184, 2650707, 3534276, 5301414, 7068552, 10602828, 21205656]

約数ペア:

[(1, 21205656), (2, 10602828), (3, 7068552), (4, 5301414), (6, 3534276), (8, 2650707), (9, 2356184), (12, 1767138), (18, 1178092), (24, 883569), (36, 589046), (72, 294523)]