21036812

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{911}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 38610432

約数和(自身を除く): 17573620

約数列:

[1, 2, 4, 23, 46, 92, 251, 502, 911, 1004, 1822, 3644, 5773, 11546, 20953, 23092, 41906, 83812, 228661, 457322, 914644, 5259203, 10518406, 21036812]

約数ペア:

[(1, 21036812), (2, 10518406), (4, 5259203), (23, 914644), (46, 457322), (92, 228661), (251, 83812), (502, 41906), (911, 23092), (1004, 20953), (1822, 11546), (3644, 5773)]