2021061020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{21821}}^1$

素因数の和:22262

約数の個数: 48

約数和(自身を含む): 4641277536

約数和(自身を除く): 2620216516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 2105, 4210, 4631, 8420, 9262, 18524, 21821, 23155, 43642, 46310, 87284, 92620, 109105, 218210, 240031, 436420, 480062, 960124, 1200155, 2400310, 4800620, 9186641, 18373282, 36746564, 45933205, 91866410, 101053051, 183732820, 202106102, 404212204, 505265255, 1010530510, 2021061020]

約数ペア:

[(1, 2021061020), (2, 1010530510), (4, 505265255), (5, 404212204), (10, 202106102), (11, 183732820), (20, 101053051), (22, 91866410), (44, 45933205), (55, 36746564), (110, 18373282), (220, 9186641), (421, 4800620), (842, 2400310), (1684, 1200155), (2105, 960124), (4210, 480062), (4631, 436420), (8420, 240031), (9262, 218210), (18524, 109105), (21821, 92620), (23155, 87284), (43642, 46310)]