21622408

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{6271}}^1$

素因数の和:6708

約数の個数: 16

約数和(自身を含む): 40642560

約数和(自身を除く): 19020152

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 6271, 12542, 25084, 50168, 2702801, 5405602, 10811204, 21622408]

約数ペア:

[(1, 21622408), (2, 10811204), (4, 5405602), (8, 2702801), (431, 50168), (862, 25084), (1724, 12542), (3448, 6271)]