21271828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10091}}^1$

素因数の和:10143

約数の個数: 24

約数和(自身を含む): 40690944

約数和(自身を除く): 19419116

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10091, 20182, 40364, 171547, 312821, 343094, 625642, 686188, 1251284, 5317957, 10635914, 21271828]

約数ペア:

[(1, 21271828), (2, 10635914), (4, 5317957), (17, 1251284), (31, 686188), (34, 625642), (62, 343094), (68, 312821), (124, 171547), (527, 40364), (1054, 20182), (2108, 10091)]