21160437

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4201}}^1$

素因数の和:4300

約数の個数: 16

約数和(自身を含む): 29851008

約数和(自身を除く): 8690571

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4201, 5037, 12603, 96623, 289869, 306673, 920019, 7053479, 21160437]

約数ペア:

[(1, 21160437), (3, 7053479), (23, 920019), (69, 306673), (73, 289869), (219, 96623), (1679, 12603), (4201, 5037)]