21212432

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42767}}^1$

素因数の和:42806

約数の個数: 20

約数和(自身を含む): 42425856

約数和(自身を除く): 21213424

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42767, 85534, 171068, 342136, 684272, 1325777, 2651554, 5303108, 10606216, 21212432]

約数ペア:

[(1, 21212432), (2, 10606216), (4, 5303108), (8, 2651554), (16, 1325777), (31, 684272), (62, 342136), (124, 171068), (248, 85534), (496, 42767)]