21549110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{863}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 42550272

約数和(自身を除く): 21001162

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 863, 1135, 1726, 2270, 2497, 4315, 4994, 8630, 9493, 12485, 18986, 24970, 47465, 94930, 195901, 391802, 979505, 1959010, 2154911, 4309822, 10774555, 21549110]

約数ペア:

[(1, 21549110), (2, 10774555), (5, 4309822), (10, 2154911), (11, 1959010), (22, 979505), (55, 391802), (110, 195901), (227, 94930), (454, 47465), (863, 24970), (1135, 18986), (1726, 12485), (2270, 9493), (2497, 8630), (4315, 4994)]