21722408

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{30509}}^1$

素因数の和:30604

約数の個数: 16

約数和(自身を含む): 41188500

約数和(自身を除く): 19466092

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 30509, 61018, 122036, 244072, 2715301, 5430602, 10861204, 21722408]

約数ペア:

[(1, 21722408), (2, 10861204), (4, 5430602), (8, 2715301), (89, 244072), (178, 122036), (356, 61018), (712, 30509)]