21490590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65123}}^1$

素因数の和:65144

約数の個数: 32

約数和(自身を含む): 56267136

約数和(自身を除く): 34776546

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65123, 130246, 195369, 325615, 390738, 651230, 716353, 976845, 1432706, 1953690, 2149059, 3581765, 4298118, 7163530, 10745295, 21490590]

約数ペア:

[(1, 21490590), (2, 10745295), (3, 7163530), (5, 4298118), (6, 3581765), (10, 2149059), (11, 1953690), (15, 1432706), (22, 976845), (30, 716353), (33, 651230), (55, 390738), (66, 325615), (110, 195369), (165, 130246), (330, 65123)]