21994894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 36132480

約数和(自身を除く): 14137586

約数列:

[1, 2, 19, 38, 53, 67, 106, 134, 163, 326, 1007, 1273, 2014, 2546, 3097, 3551, 6194, 7102, 8639, 10921, 17278, 21842, 67469, 134938, 164141, 207499, 328282, 414998, 578813, 1157626, 10997447, 21994894]

約数ペア:

[(1, 21994894), (2, 10997447), (19, 1157626), (38, 578813), (53, 414998), (67, 328282), (106, 207499), (134, 164141), (163, 134938), (326, 67469), (1007, 21842), (1273, 17278), (2014, 10921), (2546, 8639), (3097, 7102), (3551, 6194)]