21833487

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 34183968

約数和(自身を除く): 12350481

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 1031, 1629, 2353, 3093, 7059, 9279, 13403, 21177, 40209, 120627, 186611, 559833, 1679499, 2425943, 7277829, 21833487]

約数ペア:

[(1, 21833487), (3, 7277829), (9, 2425943), (13, 1679499), (39, 559833), (117, 186611), (181, 120627), (543, 40209), (1031, 21177), (1629, 13403), (2353, 9279), (3093, 7059)]