21190232445

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{75011}}^1$

素因数の和:75565

約数の個数: 32

約数和(自身を含む): 34889581440

約数和(自身を除く): 13699348995

約数列:

[1, 3, 5, 15, 37, 111, 185, 509, 555, 1527, 2545, 7635, 18833, 56499, 75011, 94165, 225033, 282495, 375055, 1125165, 2775407, 8326221, 13877035, 38180599, 41631105, 114541797, 190902995, 572708985, 1412682163, 4238046489, 7063410815, 21190232445]

約数ペア:

[(1, 21190232445), (3, 7063410815), (5, 4238046489), (15, 1412682163), (37, 572708985), (111, 190902995), (185, 114541797), (509, 41631105), (555, 38180599), (1527, 13877035), (2545, 8326221), (7635, 2775407), (18833, 1125165), (56499, 375055), (75011, 282495), (94165, 225033)]