21243914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1283}}^1$

素因数の和:1789

約数の個数: 16

約数和(自身を含む): 33835968

約数和(自身を除く): 12592054

約数列:

[1, 2, 17, 34, 487, 974, 1283, 2566, 8279, 16558, 21811, 43622, 624821, 1249642, 10621957, 21243914]

約数ペア:

[(1, 21243914), (2, 10621957), (17, 1249642), (34, 624821), (487, 43622), (974, 21811), (1283, 16558), (2566, 8279)]