21669105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 14909199

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 535, 587, 1605, 1761, 2461, 2935, 7383, 8805, 12305, 13501, 36915, 40503, 62809, 67505, 188427, 202515, 314045, 942135, 1444607, 4333821, 7223035, 21669105]

約数ペア:

[(1, 21669105), (3, 7223035), (5, 4333821), (15, 1444607), (23, 942135), (69, 314045), (107, 202515), (115, 188427), (321, 67505), (345, 62809), (535, 40503), (587, 36915), (1605, 13501), (1761, 12305), (2461, 8805), (2935, 7383)]