21509590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4363}}^1$

素因数の和:4416

約数の個数: 32

約数和(自身を含む): 42418080

約数和(自身を除く): 20908490

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4363, 4930, 8726, 21815, 43630, 74171, 126527, 148342, 253054, 370855, 632635, 741710, 1265270, 2150959, 4301918, 10754795, 21509590]

約数ペア:

[(1, 21509590), (2, 10754795), (5, 4301918), (10, 2150959), (17, 1265270), (29, 741710), (34, 632635), (58, 370855), (85, 253054), (145, 148342), (170, 126527), (290, 74171), (493, 43630), (986, 21815), (2465, 8726), (4363, 4930)]