21784356

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{1667}}^1$

素因数の和:1702

約数の個数: 72

約数和(自身を含む): 62116320

約数和(自身を除く): 40331964

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 1667, 2178, 3267, 3334, 4356, 5001, 6534, 6668, 10002, 13068, 15003, 18337, 20004, 30006, 36674, 45009, 55011, 60012, 73348, 90018, 110022, 165033, 180036, 201707, 220044, 330066, 403414, 495099, 605121, 660132, 806828, 990198, 1210242, 1815363, 1980396, 2420484, 3630726, 5446089, 7261452, 10892178, 21784356]

約数ペア:

[(1, 21784356), (2, 10892178), (3, 7261452), (4, 5446089), (6, 3630726), (9, 2420484), (11, 1980396), (12, 1815363), (18, 1210242), (22, 990198), (27, 806828), (33, 660132), (36, 605121), (44, 495099), (54, 403414), (66, 330066), (99, 220044), (108, 201707), (121, 180036), (132, 165033), (198, 110022), (242, 90018), (297, 73348), (363, 60012), (396, 55011), (484, 45009), (594, 36674), (726, 30006), (1089, 20004), (1188, 18337), (1452, 15003), (1667, 13068), (2178, 10002), (3267, 6668), (3334, 6534), (4356, 5001)]