21537288

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3361}}^1$

素因数の和:3462

約数の個数: 48

約数和(自身を含む): 59003100

約数和(自身を除く): 37465812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 3361, 6408, 6722, 10083, 13444, 20166, 26888, 30249, 40332, 60498, 80664, 120996, 241992, 299129, 598258, 897387, 1196516, 1794774, 2393032, 2692161, 3589548, 5384322, 7179096, 10768644, 21537288]

約数ペア:

[(1, 21537288), (2, 10768644), (3, 7179096), (4, 5384322), (6, 3589548), (8, 2692161), (9, 2393032), (12, 1794774), (18, 1196516), (24, 897387), (36, 598258), (72, 299129), (89, 241992), (178, 120996), (267, 80664), (356, 60498), (534, 40332), (712, 30249), (801, 26888), (1068, 20166), (1602, 13444), (2136, 10083), (3204, 6722), (3361, 6408)]