21660135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8969}}^1$

素因数の和:9007

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 19673625

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8969, 26907, 44845, 62783, 134535, 188349, 206287, 313915, 618861, 941745, 1031435, 1444009, 3094305, 4332027, 7220045, 21660135]

約数ペア:

[(1, 21660135), (3, 7220045), (5, 4332027), (7, 3094305), (15, 1444009), (21, 1031435), (23, 941745), (35, 618861), (69, 313915), (105, 206287), (115, 188349), (161, 134535), (345, 62783), (483, 44845), (805, 26907), (2415, 8969)]