21922105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 7569095

約数列:

[1, 5, 19, 23, 79, 95, 115, 127, 395, 437, 635, 1501, 1817, 2185, 2413, 2921, 7505, 9085, 10033, 12065, 14605, 34523, 50165, 55499, 172615, 190627, 230759, 277495, 953135, 1153795, 4384421, 21922105]

約数ペア:

[(1, 21922105), (5, 4384421), (19, 1153795), (23, 953135), (79, 277495), (95, 230759), (115, 190627), (127, 172615), (395, 55499), (437, 50165), (635, 34523), (1501, 14605), (1817, 12065), (2185, 10033), (2413, 9085), (2921, 7505)]