21696378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3389}}^1$

素因数の和:3502

約数の個数: 32

約数和(自身を含む): 47839680

約数和(自身を除く): 26143302

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 194, 291, 582, 1067, 2134, 3201, 3389, 6402, 6778, 10167, 20334, 37279, 74558, 111837, 223674, 328733, 657466, 986199, 1972398, 3616063, 7232126, 10848189, 21696378]

約数ペア:

[(1, 21696378), (2, 10848189), (3, 7232126), (6, 3616063), (11, 1972398), (22, 986199), (33, 657466), (66, 328733), (97, 223674), (194, 111837), (291, 74558), (582, 37279), (1067, 20334), (2134, 10167), (3201, 6778), (3389, 6402)]