21995094

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9007}}^1$

素因数の和:9060

約数の個数: 32

約数和(自身を含む): 49291776

約数和(自身を除く): 27296682

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 9007, 18014, 27021, 54042, 99077, 198154, 297231, 333259, 594462, 666518, 999777, 1999554, 3665849, 7331698, 10997547, 21995094]

約数ペア:

[(1, 21995094), (2, 10997547), (3, 7331698), (6, 3665849), (11, 1999554), (22, 999777), (33, 666518), (37, 594462), (66, 333259), (74, 297231), (111, 198154), (222, 99077), (407, 54042), (814, 27021), (1221, 18014), (2442, 9007)]