21926991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2251}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 31131648

約数和(自身を除く): 9204657

約数列:

[1, 3, 17, 51, 191, 573, 2251, 3247, 6753, 9741, 38267, 114801, 429941, 1289823, 7308997, 21926991]

約数ペア:

[(1, 21926991), (3, 7308997), (17, 1289823), (51, 429941), (191, 114801), (573, 38267), (2251, 9741), (3247, 6753)]