21512458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8971}}^1$

素因数の和:9093

約数の個数: 16

約数和(自身を含む): 35529120

約数和(自身を除く): 14016662

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8971, 17942, 98681, 197362, 977839, 1955678, 10756229, 21512458]

約数ペア:

[(1, 21512458), (2, 10756229), (11, 1955678), (22, 977839), (109, 197362), (218, 98681), (1199, 17942), (2398, 8971)]