21518050

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{4261}}^1$

素因数の和:4374

約数の個数: 24

約数和(自身を含む): 40429332

約数和(自身を除く): 18911282

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 4261, 5050, 8522, 21305, 42610, 106525, 213050, 430361, 860722, 2151805, 4303610, 10759025, 21518050]

約数ペア:

[(1, 21518050), (2, 10759025), (5, 4303610), (10, 2151805), (25, 860722), (50, 430361), (101, 213050), (202, 106525), (505, 42610), (1010, 21305), (2525, 8522), (4261, 5050)]