21998438722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2309}}^1\times {\mathrm{366433}}^1$

素因数の和:368757

約数の個数: 16

約数和(自身を含む): 35551426680

約数和(自身を除く): 13552987958

約数列:

[1, 2, 13, 26, 2309, 4618, 30017, 60034, 366433, 732866, 4763629, 9527258, 846093797, 1692187594, 10999219361, 21998438722]

約数ペア:

[(1, 21998438722), (2, 10999219361), (13, 1692187594), (26, 846093797), (2309, 9527258), (4618, 4763629), (30017, 732866), (60034, 366433)]