21404688

素因数分解:

$2^4\times 3^1\times {\mathrm{445931}}^1$

素因数の和:445942

約数の個数: 20

約数和(自身を含む): 55295568

約数和(自身を除く): 33890880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445931, 891862, 1337793, 1783724, 2675586, 3567448, 5351172, 7134896, 10702344, 21404688]

約数ペア:

[(1, 21404688), (2, 10702344), (3, 7134896), (4, 5351172), (6, 3567448), (8, 2675586), (12, 1783724), (16, 1337793), (24, 891862), (48, 445931)]