21000815466

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{2539}}^1\times {\mathrm{13649}}^1$

素因数の和:16294

約数の個数: 32

約数和(自身を含む): 42437304000

約数和(自身を除く): 21436488534

約数列:

[1, 2, 3, 6, 101, 202, 303, 606, 2539, 5078, 7617, 13649, 15234, 27298, 40947, 81894, 256439, 512878, 769317, 1378549, 1538634, 2757098, 4135647, 8271294, 34654811, 69309622, 103964433, 207928866, 3500135911, 7000271822, 10500407733, 21000815466]

約数ペア:

[(1, 21000815466), (2, 10500407733), (3, 7000271822), (6, 3500135911), (101, 207928866), (202, 103964433), (303, 69309622), (606, 34654811), (2539, 8271294), (5078, 4135647), (7617, 2757098), (13649, 1538634), (15234, 1378549), (27298, 769317), (40947, 512878), (81894, 256439)]