21945183

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5801}}^1$

素因数の和:5914

約数の個数: 16

約数和(自身を含む): 31841376

約数和(自身を除く): 9896193

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5801, 17403, 75413, 226239, 562697, 1688091, 7315061, 21945183]

約数ペア:

[(1, 21945183), (3, 7315061), (13, 1688091), (39, 562697), (97, 226239), (291, 75413), (1261, 17403), (3783, 5801)]