21282656

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10903}}^1$

素因数の和:10974

約数の個数: 24

約数和(自身を含む): 42591024

約数和(自身を除く): 21308368

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10903, 21806, 43612, 87224, 174448, 348896, 665083, 1330166, 2660332, 5320664, 10641328, 21282656]

約数ペア:

[(1, 21282656), (2, 10641328), (4, 5320664), (8, 2660332), (16, 1330166), (32, 665083), (61, 348896), (122, 174448), (244, 87224), (488, 43612), (976, 21806), (1952, 10903)]