21985288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3583}}^1$

素因数の和:3661

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 23173112

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3583, 6136, 7166, 14332, 28664, 46579, 93158, 186316, 211397, 372632, 422794, 845588, 1691176, 2748161, 5496322, 10992644, 21985288]

約数ペア:

[(1, 21985288), (2, 10992644), (4, 5496322), (8, 2748161), (13, 1691176), (26, 845588), (52, 422794), (59, 372632), (104, 211397), (118, 186316), (236, 93158), (472, 46579), (767, 28664), (1534, 14332), (3068, 7166), (3583, 6136)]