21635510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3541}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 42844032

約数和(自身を除く): 21208522

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3541, 6110, 7082, 17705, 35410, 46033, 92066, 166427, 230165, 332854, 460330, 832135, 1664270, 2163551, 4327102, 10817755, 21635510]

約数ペア:

[(1, 21635510), (2, 10817755), (5, 4327102), (10, 2163551), (13, 1664270), (26, 832135), (47, 460330), (65, 332854), (94, 230165), (130, 166427), (235, 92066), (470, 46033), (611, 35410), (1222, 17705), (3055, 7082), (3541, 6110)]