21648258

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63299}}^1$

素因数の和:63326

約数の個数: 24

約数和(自身を含む): 49374000

約数和(自身を除く): 27725742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63299, 126598, 189897, 379794, 569691, 1139382, 1202681, 2405362, 3608043, 7216086, 10824129, 21648258]

約数ペア:

[(1, 21648258), (2, 10824129), (3, 7216086), (6, 3608043), (9, 2405362), (18, 1202681), (19, 1139382), (38, 569691), (57, 379794), (114, 189897), (171, 126598), (342, 63299)]