21345714

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2339}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 51386400

約数和(自身を除く): 30040686

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2339, 3042, 4563, 4678, 7017, 9126, 14034, 21051, 30407, 42102, 60814, 63153, 91221, 126306, 182442, 273663, 395291, 547326, 790582, 820989, 1185873, 1641978, 2371746, 3557619, 7115238, 10672857, 21345714]

約数ペア:

[(1, 21345714), (2, 10672857), (3, 7115238), (6, 3557619), (9, 2371746), (13, 1641978), (18, 1185873), (26, 820989), (27, 790582), (39, 547326), (54, 395291), (78, 273663), (117, 182442), (169, 126306), (234, 91221), (338, 63153), (351, 60814), (507, 42102), (702, 30407), (1014, 21051), (1521, 14034), (2339, 9126), (3042, 7017), (4563, 4678)]