21263382

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4561}}^1$

素因数の和:4613

約数の個数: 48

約数和(自身を含む): 54087072

約数和(自身を除く): 32823690

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4561, 4662, 9122, 13683, 27366, 31927, 41049, 63854, 82098, 95781, 168757, 191562, 287343, 337514, 506271, 574686, 1012542, 1181299, 1518813, 2362598, 3037626, 3543897, 7087794, 10631691, 21263382]

約数ペア:

[(1, 21263382), (2, 10631691), (3, 7087794), (6, 3543897), (7, 3037626), (9, 2362598), (14, 1518813), (18, 1181299), (21, 1012542), (37, 574686), (42, 506271), (63, 337514), (74, 287343), (111, 191562), (126, 168757), (222, 95781), (259, 82098), (333, 63854), (518, 41049), (666, 31927), (777, 27366), (1554, 13683), (2331, 9122), (4561, 4662)]