21225633

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49477}}^1$

素因数の和:49504

約数の個数: 16

約数和(自身を含む): 33249216

約数和(自身を除く): 12023583

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49477, 148431, 544247, 643201, 1632741, 1929603, 7075211, 21225633]

約数ペア:

[(1, 21225633), (3, 7075211), (11, 1929603), (13, 1632741), (33, 643201), (39, 544247), (143, 148431), (429, 49477)]