21725524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 21820076

約数列:

[1, 2, 4, 17, 23, 29, 34, 46, 58, 68, 92, 116, 391, 479, 493, 667, 782, 958, 986, 1334, 1564, 1916, 1972, 2668, 8143, 11017, 11339, 13891, 16286, 22034, 22678, 27782, 32572, 44068, 45356, 55564, 187289, 236147, 319493, 374578, 472294, 638986, 749156, 944588, 1277972, 5431381, 10862762, 21725524]

約数ペア:

[(1, 21725524), (2, 10862762), (4, 5431381), (17, 1277972), (23, 944588), (29, 749156), (34, 638986), (46, 472294), (58, 374578), (68, 319493), (92, 236147), (116, 187289), (391, 55564), (479, 45356), (493, 44068), (667, 32572), (782, 27782), (958, 22678), (986, 22034), (1334, 16286), (1564, 13891), (1916, 11339), (1972, 11017), (2668, 8143)]