21931736

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{30803}}^1$

素因数の和:30898

約数の個数: 16

約数和(自身を含む): 41585400

約数和(自身を除く): 19653664

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 30803, 61606, 123212, 246424, 2741467, 5482934, 10965868, 21931736]

約数ペア:

[(1, 21931736), (2, 10965868), (4, 5482934), (8, 2741467), (89, 246424), (178, 123212), (356, 61606), (712, 30803)]