21070818

素因数分解:

$2^1\times 3^2\times {\mathrm{733}}^1\times {\mathrm{1597}}^1$

素因数の和:2338

約数の個数: 24

約数和(自身を含む): 45744348

約数和(自身を除く): 24673530

約数列:

[1, 2, 3, 6, 9, 18, 733, 1466, 1597, 2199, 3194, 4398, 4791, 6597, 9582, 13194, 14373, 28746, 1170601, 2341202, 3511803, 7023606, 10535409, 21070818]

約数ペア:

[(1, 21070818), (2, 10535409), (3, 7023606), (6, 3511803), (9, 2341202), (18, 1170601), (733, 28746), (1466, 14373), (1597, 13194), (2199, 9582), (3194, 6597), (4398, 4791)]