21334888912

素因数分解:

$2^4\times {\mathrm{2039}}^1\times {\mathrm{653963}}^1$

素因数の和:656010

約数の個数: 20

約数和(自身を含む): 41356683360

約数和(自身を除く): 20021794448

約数列:

[1, 2, 4, 8, 16, 2039, 4078, 8156, 16312, 32624, 653963, 1307926, 2615852, 5231704, 10463408, 1333430557, 2666861114, 5333722228, 10667444456, 21334888912]

約数ペア:

[(1, 21334888912), (2, 10667444456), (4, 5333722228), (8, 2666861114), (16, 1333430557), (2039, 10463408), (4078, 5231704), (8156, 2615852), (16312, 1307926), (32624, 653963)]