1921010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 4257792

約数和(自身を除く): 2336782

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 2111, 4222, 10555, 14777, 21110, 27443, 29554, 54886, 73885, 137215, 147770, 192101, 274430, 384202, 960505, 1921010]

約数ペア:

[(1, 1921010), (2, 960505), (5, 384202), (7, 274430), (10, 192101), (13, 147770), (14, 137215), (26, 73885), (35, 54886), (65, 29554), (70, 27443), (91, 21110), (130, 14777), (182, 10555), (455, 4222), (910, 2111)]