21009924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44893}}^1$

素因数の和:44916

約数の個数: 36

約数和(自身を含む): 57194956

約数和(自身を除く): 36185032

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44893, 89786, 134679, 179572, 269358, 404037, 538716, 583609, 808074, 1167218, 1616148, 1750827, 2334436, 3501654, 5252481, 7003308, 10504962, 21009924]

約数ペア:

[(1, 21009924), (2, 10504962), (3, 7003308), (4, 5252481), (6, 3501654), (9, 2334436), (12, 1750827), (13, 1616148), (18, 1167218), (26, 808074), (36, 583609), (39, 538716), (52, 404037), (78, 269358), (117, 179572), (156, 134679), (234, 89786), (468, 44893)]