21058172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5843}}^1$

素因数の和:5917

約数の個数: 24

約数和(自身を含む): 39762576

約数和(自身を除く): 18704404

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5843, 11686, 23372, 99331, 198662, 309679, 397324, 619358, 1238716, 5264543, 10529086, 21058172]

約数ペア:

[(1, 21058172), (2, 10529086), (4, 5264543), (17, 1238716), (34, 619358), (53, 397324), (68, 309679), (106, 198662), (212, 99331), (901, 23372), (1802, 11686), (3604, 5843)]