21021832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1543}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 42799680

約数和(自身を除く): 21777848

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1543, 1703, 3086, 3406, 6172, 6812, 12344, 13624, 20059, 40118, 80236, 160472, 202133, 404266, 808532, 1617064, 2627729, 5255458, 10510916, 21021832]

約数ペア:

[(1, 21021832), (2, 10510916), (4, 5255458), (8, 2627729), (13, 1617064), (26, 808532), (52, 404266), (104, 202133), (131, 160472), (262, 80236), (524, 40118), (1048, 20059), (1543, 13624), (1703, 12344), (3086, 6812), (3406, 6172)]