21645902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6863}}^1$

素因数の和:6967

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 12948658

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6863, 13726, 130397, 260794, 569629, 1139258, 10822951, 21645902]

約数ペア:

[(1, 21645902), (2, 10822951), (19, 1139258), (38, 569629), (83, 260794), (166, 130397), (1577, 13726), (3154, 6863)]