21541490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1259}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19282510

約数列:

[1, 2, 5, 10, 29, 58, 59, 118, 145, 290, 295, 590, 1259, 1711, 2518, 3422, 6295, 8555, 12590, 17110, 36511, 73022, 74281, 148562, 182555, 365110, 371405, 742810, 2154149, 4308298, 10770745, 21541490]

約数ペア:

[(1, 21541490), (2, 10770745), (5, 4308298), (10, 2154149), (29, 742810), (58, 371405), (59, 365110), (118, 182555), (145, 148562), (290, 74281), (295, 73022), (590, 36511), (1259, 17110), (1711, 12590), (2518, 8555), (3422, 6295)]