21121656

素因数分解:

$2^3\times 3^1\times {\mathrm{880069}}^1$

素因数の和:880078

約数の個数: 16

約数和(自身を含む): 52804200

約数和(自身を除く): 31682544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 880069, 1760138, 2640207, 3520276, 5280414, 7040552, 10560828, 21121656]

約数ペア:

[(1, 21121656), (2, 10560828), (3, 7040552), (4, 5280414), (6, 3520276), (8, 2640207), (12, 1760138), (24, 880069)]