21240036

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{1019}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 55406400

約数和(自身を除く): 34166364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 1019, 1158, 1737, 2038, 2316, 3057, 3474, 4076, 5211, 6114, 6948, 9171, 10422, 12228, 18342, 20844, 27513, 36684, 55026, 110052, 196667, 393334, 590001, 786668, 1180002, 1770003, 2360004, 3540006, 5310009, 7080012, 10620018, 21240036]

約数ペア:

[(1, 21240036), (2, 10620018), (3, 7080012), (4, 5310009), (6, 3540006), (9, 2360004), (12, 1770003), (18, 1180002), (27, 786668), (36, 590001), (54, 393334), (108, 196667), (193, 110052), (386, 55026), (579, 36684), (772, 27513), (1019, 20844), (1158, 18342), (1737, 12228), (2038, 10422), (2316, 9171), (3057, 6948), (3474, 6114), (4076, 5211)]