21583484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1543}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 40854240

約数和(自身を除く): 19270756

約数列:

[1, 2, 4, 13, 26, 52, 269, 538, 1076, 1543, 3086, 3497, 6172, 6994, 13988, 20059, 40118, 80236, 415067, 830134, 1660268, 5395871, 10791742, 21583484]

約数ペア:

[(1, 21583484), (2, 10791742), (4, 5395871), (13, 1660268), (26, 830134), (52, 415067), (269, 80236), (538, 40118), (1076, 20059), (1543, 13988), (3086, 6994), (3497, 6172)]