21731853

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 12620787

約数列:

[1, 3, 11, 13, 33, 39, 143, 179, 283, 429, 537, 849, 1969, 2327, 3113, 3679, 5907, 6981, 9339, 11037, 25597, 40469, 50657, 76791, 121407, 151971, 557227, 658541, 1671681, 1975623, 7243951, 21731853]

約数ペア:

[(1, 21731853), (3, 7243951), (11, 1975623), (13, 1671681), (33, 658541), (39, 557227), (143, 151971), (179, 121407), (283, 76791), (429, 50657), (537, 40469), (849, 25597), (1969, 11037), (2327, 9339), (3113, 6981), (3679, 5907)]