21051947502

素因数分解:

$2^1\times 3^2\times {\mathrm{18973}}^1\times {\mathrm{61643}}^1$

素因数の和:80624

約数の個数: 24

約数和(自身を含む): 45615696984

約数和(自身を除く): 24563749482

約数列:

[1, 2, 3, 6, 9, 18, 18973, 37946, 56919, 61643, 113838, 123286, 170757, 184929, 341514, 369858, 554787, 1109574, 1169552639, 2339105278, 3508657917, 7017315834, 10525973751, 21051947502]

約数ペア:

[(1, 21051947502), (2, 10525973751), (3, 7017315834), (6, 3508657917), (9, 2339105278), (18, 1169552639), (18973, 1109574), (37946, 554787), (56919, 369858), (61643, 341514), (113838, 184929), (123286, 170757)]