21167116815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1779497}}^1$

素因数の和:1779579

約数の個数: 32

約数和(自身を含む): 37070502336

約数和(自身を除く): 15903385521

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 11895, 1779497, 5338491, 8897485, 23133461, 26692455, 69400383, 108549317, 115667305, 325647951, 347001915, 542746585, 1411141121, 1628239755, 4233423363, 7055705605, 21167116815]

約数ペア:

[(1, 21167116815), (3, 7055705605), (5, 4233423363), (13, 1628239755), (15, 1411141121), (39, 542746585), (61, 347001915), (65, 325647951), (183, 115667305), (195, 108549317), (305, 69400383), (793, 26692455), (915, 23133461), (2379, 8897485), (3965, 5338491), (11895, 1779497)]