21096766145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1\times {\mathrm{18233}}^1$

素因数の和:20801

約数の個数: 32

約数和(自身を含む): 31172262912

約数和(自身を除く): 10075496767

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2543, 12715, 17801, 18233, 33059, 89005, 91165, 127631, 165295, 231413, 237029, 638155, 1157065, 1185145, 1659203, 8296015, 46366519, 231832595, 324565633, 602764747, 1622828165, 3013823735, 4219353229, 21096766145]

約数ペア:

[(1, 21096766145), (5, 4219353229), (7, 3013823735), (13, 1622828165), (35, 602764747), (65, 324565633), (91, 231832595), (455, 46366519), (2543, 8296015), (12715, 1659203), (17801, 1185145), (18233, 1157065), (33059, 638155), (89005, 237029), (91165, 231413), (127631, 165295)]