21574105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 10151975

約数列:

[1, 5, 7, 17, 35, 85, 101, 119, 359, 505, 595, 707, 1717, 1795, 2513, 3535, 6103, 8585, 12019, 12565, 30515, 36259, 42721, 60095, 181295, 213605, 253813, 616403, 1269065, 3082015, 4314821, 21574105]

約数ペア:

[(1, 21574105), (5, 4314821), (7, 3082015), (17, 1269065), (35, 616403), (85, 253813), (101, 213605), (119, 181295), (359, 60095), (505, 42721), (595, 36259), (707, 30515), (1717, 12565), (1795, 12019), (2513, 8585), (3535, 6103)]