21781152

素因数分解:

$2^5\times 3^2\times {\mathrm{75629}}^1$

素因数の和:75645

約数の個数: 36

約数和(自身を含む): 61940970

約数和(自身を除く): 40159818

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 75629, 151258, 226887, 302516, 453774, 605032, 680661, 907548, 1210064, 1361322, 1815096, 2420128, 2722644, 3630192, 5445288, 7260384, 10890576, 21781152]

約数ペア:

[(1, 21781152), (2, 10890576), (3, 7260384), (4, 5445288), (6, 3630192), (8, 2722644), (9, 2420128), (12, 1815096), (16, 1361322), (18, 1210064), (24, 907548), (32, 680661), (36, 605032), (48, 453774), (72, 302516), (96, 226887), (144, 151258), (288, 75629)]