21096331580

素因数分解:

$2^2\times 5^1\times {\mathrm{11489}}^1\times {\mathrm{91811}}^1$

素因数の和:103309

約数の個数: 24

約数和(自身を含む): 44306634960

約数和(自身を除く): 23210303380

約数列:

[1, 2, 4, 5, 10, 20, 11489, 22978, 45956, 57445, 91811, 114890, 183622, 229780, 367244, 459055, 918110, 1836220, 1054816579, 2109633158, 4219266316, 5274082895, 10548165790, 21096331580]

約数ペア:

[(1, 21096331580), (2, 10548165790), (4, 5274082895), (5, 4219266316), (10, 2109633158), (20, 1054816579), (11489, 1836220), (22978, 918110), (45956, 459055), (57445, 367244), (91811, 229780), (114890, 183622)]