21565964145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5682731}}^1$

素因数の和:5682773

約数の個数: 32

約数和(自身を含む): 39279043584

約数和(自身を除く): 17713079439

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5682731, 17048193, 28413655, 62510041, 85240965, 130702813, 187530123, 312550205, 392108439, 653514065, 937650615, 1437730943, 1960542195, 4313192829, 7188654715, 21565964145]

約数ペア:

[(1, 21565964145), (3, 7188654715), (5, 4313192829), (11, 1960542195), (15, 1437730943), (23, 937650615), (33, 653514065), (55, 392108439), (69, 312550205), (115, 187530123), (165, 130702813), (253, 85240965), (345, 62510041), (759, 28413655), (1265, 17048193), (3795, 5682731)]