21017199

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34511}}^1$

素因数の和:34550

約数の個数: 16

約数和(自身を含む): 33131520

約数和(自身を除く): 12114321

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34511, 103533, 241577, 724731, 1000819, 3002457, 7005733, 21017199]

約数ペア:

[(1, 21017199), (3, 7005733), (7, 3002457), (21, 1000819), (29, 724731), (87, 241577), (203, 103533), (609, 34511)]