21527135

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 9438625

約数列:

[1, 5, 7, 29, 35, 127, 145, 167, 203, 635, 835, 889, 1015, 1169, 3683, 4445, 4843, 5845, 18415, 21209, 24215, 25781, 33901, 106045, 128905, 148463, 169505, 615061, 742315, 3075305, 4305427, 21527135]

約数ペア:

[(1, 21527135), (5, 4305427), (7, 3075305), (29, 742315), (35, 615061), (127, 169505), (145, 148463), (167, 128905), (203, 106045), (635, 33901), (835, 25781), (889, 24215), (1015, 21209), (1169, 18415), (3683, 5845), (4445, 4843)]