21061330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91571}}^1$

素因数の和:91601

約数の個数: 16

約数和(自身を含む): 39559104

約数和(自身を除く): 18497774

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91571, 183142, 457855, 915710, 2106133, 4212266, 10530665, 21061330]

約数ペア:

[(1, 21061330), (2, 10530665), (5, 4212266), (10, 2106133), (23, 915710), (46, 457855), (115, 183142), (230, 91571)]