21606871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 25810848

約数和(自身を除く): 4203977

約数列:

[1, 11, 13, 61, 143, 671, 793, 2477, 8723, 27247, 32201, 151097, 354211, 1662067, 1964261, 21606871]

約数ペア:

[(1, 21606871), (11, 1964261), (13, 1662067), (61, 354211), (143, 151097), (671, 32201), (793, 27247), (2477, 8723)]