21299670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33809}}^1$

素因数の和:33829

約数の個数: 48

約数和(自身を含む): 63292320

約数和(自身を除く): 41992650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33809, 67618, 101427, 169045, 202854, 236663, 304281, 338090, 473326, 507135, 608562, 709989, 1014270, 1183315, 1419978, 1521405, 2129967, 2366630, 3042810, 3549945, 4259934, 7099890, 10649835, 21299670]

約数ペア:

[(1, 21299670), (2, 10649835), (3, 7099890), (5, 4259934), (6, 3549945), (7, 3042810), (9, 2366630), (10, 2129967), (14, 1521405), (15, 1419978), (18, 1183315), (21, 1014270), (30, 709989), (35, 608562), (42, 507135), (45, 473326), (63, 338090), (70, 304281), (90, 236663), (105, 202854), (126, 169045), (210, 101427), (315, 67618), (630, 33809)]