21320136

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{1069}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 58004700

約数和(自身を除く): 36684564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 1069, 1108, 1662, 2138, 2216, 2493, 3207, 3324, 4276, 4986, 6414, 6648, 8552, 9621, 9972, 12828, 19242, 19944, 25656, 38484, 76968, 296113, 592226, 888339, 1184452, 1776678, 2368904, 2665017, 3553356, 5330034, 7106712, 10660068, 21320136]

約数ペア:

[(1, 21320136), (2, 10660068), (3, 7106712), (4, 5330034), (6, 3553356), (8, 2665017), (9, 2368904), (12, 1776678), (18, 1184452), (24, 888339), (36, 592226), (72, 296113), (277, 76968), (554, 38484), (831, 25656), (1069, 19944), (1108, 19242), (1662, 12828), (2138, 9972), (2216, 9621), (2493, 8552), (3207, 6648), (3324, 6414), (4276, 4986)]