21994674

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 48312000

約数和(自身を除く): 26317326

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 169, 199, 218, 327, 338, 398, 507, 597, 654, 1014, 1194, 1417, 2587, 2834, 4251, 5174, 7761, 8502, 15522, 18421, 21691, 33631, 36842, 43382, 55263, 65073, 67262, 100893, 110526, 130146, 201786, 281983, 563966, 845949, 1691898, 3665779, 7331558, 10997337, 21994674]

約数ペア:

[(1, 21994674), (2, 10997337), (3, 7331558), (6, 3665779), (13, 1691898), (26, 845949), (39, 563966), (78, 281983), (109, 201786), (169, 130146), (199, 110526), (218, 100893), (327, 67262), (338, 65073), (398, 55263), (507, 43382), (597, 36842), (654, 33631), (1014, 21691), (1194, 18421), (1417, 15522), (2587, 8502), (2834, 7761), (4251, 5174)]