21383702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3109}}^1$

素因数の和:3311

約数の個数: 16

約数和(自身を含む): 33961200

約数和(自身を除く): 12577498

約数列:

[1, 2, 19, 38, 181, 362, 3109, 3439, 6218, 6878, 59071, 118142, 562729, 1125458, 10691851, 21383702]

約数ペア:

[(1, 21383702), (2, 10691851), (19, 1125458), (38, 562729), (181, 118142), (362, 59071), (3109, 6878), (3439, 6218)]