21613365

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4327}}^1$

素因数の和:4378

約数の個数: 32

約数和(自身を含む): 39471360

約数和(自身を除く): 17857995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4327, 4995, 12981, 21635, 38943, 64905, 116829, 160099, 194715, 480297, 584145, 800495, 1440891, 2401485, 4322673, 7204455, 21613365]

約数ペア:

[(1, 21613365), (3, 7204455), (5, 4322673), (9, 2401485), (15, 1440891), (27, 800495), (37, 584145), (45, 480297), (111, 194715), (135, 160099), (185, 116829), (333, 64905), (555, 38943), (999, 21635), (1665, 12981), (4327, 4995)]