21963579001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{11159}}^1$

素因数の和:11725

約数の個数: 32

約数和(自身を含む): 27718225920

約数和(自身を除く): 5754646919

約数列:

[1, 7, 13, 43, 91, 301, 503, 559, 3521, 3913, 6539, 11159, 21629, 45773, 78113, 145067, 151403, 281177, 479837, 1015469, 1968239, 3358859, 5612977, 6237881, 39290839, 43665167, 72968701, 241358011, 510780907, 1689506077, 3137654143, 21963579001]

約数ペア:

[(1, 21963579001), (7, 3137654143), (13, 1689506077), (43, 510780907), (91, 241358011), (301, 72968701), (503, 43665167), (559, 39290839), (3521, 6237881), (3913, 5612977), (6539, 3358859), (11159, 1968239), (21629, 1015469), (45773, 479837), (78113, 281177), (145067, 151403)]