21070605

素因数分解:

$3^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1429}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 33770880

約数和(自身を除く): 12700275

約数列:

[1, 3, 5, 15, 983, 1429, 2949, 4287, 4915, 7145, 14745, 21435, 1404707, 4214121, 7023535, 21070605]

約数ペア:

[(1, 21070605), (3, 7023535), (5, 4214121), (15, 1404707), (983, 21435), (1429, 14745), (2949, 7145), (4287, 4915)]