21210130

素因数分解:

$2^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1723}}^1$

素因数の和:2961

約数の個数: 16

約数和(自身を含む): 38231424

約数和(自身を除く): 17021294

約数列:

[1, 2, 5, 10, 1231, 1723, 2462, 3446, 6155, 8615, 12310, 17230, 2121013, 4242026, 10605065, 21210130]

約数ペア:

[(1, 21210130), (2, 10605065), (5, 4242026), (10, 2121013), (1231, 17230), (1723, 12310), (2462, 8615), (3446, 6155)]