21922065

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 42134976

約数和(自身を除く): 20212911

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 67, 99, 165, 201, 335, 495, 603, 661, 737, 1005, 1983, 2211, 3015, 3305, 3685, 5949, 6633, 7271, 9915, 11055, 21813, 29745, 33165, 36355, 44287, 65439, 109065, 132861, 221435, 327195, 398583, 487157, 664305, 1461471, 1992915, 2435785, 4384413, 7307355, 21922065]

約数ペア:

[(1, 21922065), (3, 7307355), (5, 4384413), (9, 2435785), (11, 1992915), (15, 1461471), (33, 664305), (45, 487157), (55, 398583), (67, 327195), (99, 221435), (165, 132861), (201, 109065), (335, 65439), (495, 44287), (603, 36355), (661, 33165), (737, 29745), (1005, 21813), (1983, 11055), (2211, 9915), (3015, 7271), (3305, 6633), (3685, 5949)]