21244842

素因数分解:

$2^1\times 3^4\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:872

約数の個数: 40

約数和(自身を含む): 47916000

約数和(自身を除く): 26671158

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 199, 398, 597, 659, 1194, 1318, 1791, 1977, 3582, 3954, 5373, 5931, 10746, 11862, 16119, 17793, 32238, 35586, 53379, 106758, 131141, 262282, 393423, 786846, 1180269, 2360538, 3540807, 7081614, 10622421, 21244842]

約数ペア:

[(1, 21244842), (2, 10622421), (3, 7081614), (6, 3540807), (9, 2360538), (18, 1180269), (27, 786846), (54, 393423), (81, 262282), (162, 131141), (199, 106758), (398, 53379), (597, 35586), (659, 32238), (1194, 17793), (1318, 16119), (1791, 11862), (1977, 10746), (3582, 5931), (3954, 5373)]