21254097

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1201}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 30117312

約数和(自身を除く): 8863215

約数列:

[1, 3, 17, 51, 347, 1041, 1201, 3603, 5899, 17697, 20417, 61251, 416747, 1250241, 7084699, 21254097]

約数ペア:

[(1, 21254097), (3, 7084699), (17, 1250241), (51, 416747), (347, 61251), (1041, 20417), (1201, 17697), (3603, 5899)]