21795015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4261}}^1$

素因数の和:4311

約数の個数: 32

約数和(自身を含む): 39278592

約数和(自身を除く): 17483577

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 4261, 5115, 12783, 21305, 46871, 63915, 132091, 140613, 234355, 396273, 660455, 703065, 1453001, 1981365, 4359003, 7265005, 21795015]

約数ペア:

[(1, 21795015), (3, 7265005), (5, 4359003), (11, 1981365), (15, 1453001), (31, 703065), (33, 660455), (55, 396273), (93, 234355), (155, 140613), (165, 132091), (341, 63915), (465, 46871), (1023, 21305), (1705, 12783), (4261, 5115)]