21078174

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1493}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 45680544

約数和(自身を除く): 24602370

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 1493, 2353, 2986, 4479, 4706, 7059, 8958, 14118, 19409, 38818, 58227, 116454, 270233, 540466, 810699, 1621398, 3513029, 7026058, 10539087, 21078174]

約数ペア:

[(1, 21078174), (2, 10539087), (3, 7026058), (6, 3513029), (13, 1621398), (26, 810699), (39, 540466), (78, 270233), (181, 116454), (362, 58227), (543, 38818), (1086, 19409), (1493, 14118), (2353, 8958), (2986, 7059), (4479, 4706)]