21885397

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 24462720

約数和(自身を除く): 2577323

約数列:

[1, 19, 23, 61, 437, 821, 1159, 1403, 15599, 18883, 26657, 50081, 358777, 951539, 1151863, 21885397]

約数ペア:

[(1, 21885397), (19, 1151863), (23, 951539), (61, 358777), (437, 50081), (821, 26657), (1159, 18883), (1403, 15599)]