21580473603

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{189437}}^1$

素因数の和:189603

約数の個数: 32

約数和(自身を含む): 32589398016

約数和(自身を除く): 11008924413

約数列:

[1, 3, 13, 23, 39, 69, 127, 299, 381, 897, 1651, 2921, 4953, 8763, 37973, 113919, 189437, 568311, 2462681, 4357051, 7388043, 13071153, 24058499, 56641663, 72175497, 169924989, 312760487, 553345477, 938281461, 1660036431, 7193491201, 21580473603]

約数ペア:

[(1, 21580473603), (3, 7193491201), (13, 1660036431), (23, 938281461), (39, 553345477), (69, 312760487), (127, 169924989), (299, 72175497), (381, 56641663), (897, 24058499), (1651, 13071153), (2921, 7388043), (4953, 4357051), (8763, 2462681), (37973, 568311), (113919, 189437)]