21250502

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2060

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18666298

約数列:

[1, 2, 7, 13, 14, 26, 59, 91, 118, 182, 413, 767, 826, 1534, 1979, 3958, 5369, 10738, 13853, 25727, 27706, 51454, 116761, 180089, 233522, 360178, 817327, 1517893, 1634654, 3035786, 10625251, 21250502]

約数ペア:

[(1, 21250502), (2, 10625251), (7, 3035786), (13, 1634654), (14, 1517893), (26, 817327), (59, 360178), (91, 233522), (118, 180089), (182, 116761), (413, 51454), (767, 27706), (826, 25727), (1534, 13853), (1979, 10738), (3958, 5369)]