21012372

素因数分解:

$2^2\times 3^4\times {\mathrm{64853}}^1$

素因数の和:64869

約数の個数: 30

約数和(自身を含む): 54931338

約数和(自身を除く): 33918966

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64853, 129706, 194559, 259412, 389118, 583677, 778236, 1167354, 1751031, 2334708, 3502062, 5253093, 7004124, 10506186, 21012372]

約数ペア:

[(1, 21012372), (2, 10506186), (3, 7004124), (4, 5253093), (6, 3502062), (9, 2334708), (12, 1751031), (18, 1167354), (27, 778236), (36, 583677), (54, 389118), (81, 259412), (108, 194559), (162, 129706), (324, 64853)]