21836874904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209969951}}^1$

素因数の和:209969970

約数の個数: 16

約数和(自身を含む): 44093689920

約数和(自身を除く): 22256815016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209969951, 419939902, 839879804, 1679759608, 2729609363, 5459218726, 10918437452, 21836874904]

約数ペア:

[(1, 21836874904), (2, 10918437452), (4, 5459218726), (8, 2729609363), (13, 1679759608), (26, 839879804), (52, 419939902), (104, 209969951)]