21575420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37199}}^1$

素因数の和:37237

約数の個数: 24

約数和(自身を含む): 46872000

約数和(自身を除く): 25296580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37199, 74398, 148796, 185995, 371990, 743980, 1078771, 2157542, 4315084, 5393855, 10787710, 21575420]

約数ペア:

[(1, 21575420), (2, 10787710), (4, 5393855), (5, 4315084), (10, 2157542), (20, 1078771), (29, 743980), (58, 371990), (116, 185995), (145, 148796), (290, 74398), (580, 37199)]