2100040911

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{19219}}^1$

素因数の和:19321

約数の個数: 40

約数和(自身を含む): 3348892800

約数和(自身を除く): 1248851889

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 213, 513, 639, 1349, 1539, 1917, 4047, 5751, 12141, 19219, 36423, 57657, 109269, 172971, 365161, 518913, 1095483, 1364549, 1556739, 3286449, 4093647, 9859347, 12280941, 25926431, 29578041, 36842823, 77779293, 110528469, 233337879, 700013637, 2100040911]

約数ペア:

[(1, 2100040911), (3, 700013637), (9, 233337879), (19, 110528469), (27, 77779293), (57, 36842823), (71, 29578041), (81, 25926431), (171, 12280941), (213, 9859347), (513, 4093647), (639, 3286449), (1349, 1556739), (1539, 1364549), (1917, 1095483), (4047, 518913), (5751, 365161), (12141, 172971), (19219, 109269), (36423, 57657)]