21930734

素因数分解:

$2^1\times 7^4\times {\mathrm{4567}}^1$

素因数の和:4597

約数の個数: 20

約数和(自身を含む): 38384904

約数和(自身を除く): 16454170

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4567, 4802, 9134, 31969, 63938, 223783, 447566, 1566481, 3132962, 10965367, 21930734]

約数ペア:

[(1, 21930734), (2, 10965367), (7, 3132962), (14, 1566481), (49, 447566), (98, 223783), (343, 63938), (686, 31969), (2401, 9134), (4567, 4802)]