21946975491

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{6883}}^1$

素因数の和:7208

約数の個数: 48

約数和(自身を含む): 34530144000

約数和(自身を除く): 12583168509

約数列:

[1, 3, 7, 21, 49, 109, 147, 199, 327, 597, 763, 1393, 2289, 4179, 5341, 6883, 9751, 16023, 20649, 21691, 29253, 48181, 65073, 144543, 151837, 337267, 455511, 750247, 1011801, 1062859, 1369717, 2250741, 3188577, 4109151, 5251729, 9588019, 15755187, 28764057, 36762103, 67116133, 110286309, 149299153, 201348399, 447897459, 1045094071, 3135282213, 7315658497, 21946975491]

約数ペア:

[(1, 21946975491), (3, 7315658497), (7, 3135282213), (21, 1045094071), (49, 447897459), (109, 201348399), (147, 149299153), (199, 110286309), (327, 67116133), (597, 36762103), (763, 28764057), (1393, 15755187), (2289, 9588019), (4179, 5251729), (5341, 4109151), (6883, 3188577), (9751, 2250741), (16023, 1369717), (20649, 1062859), (21691, 1011801), (29253, 750247), (48181, 455511), (65073, 337267), (144543, 151837)]