21568658418

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1\times {\mathrm{1487}}^1$

素因数の和:2312

約数の個数: 96

約数和(自身を含む): 49749672960

約数和(自身を除く): 28181014542

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 751, 1073, 1487, 1502, 2146, 2253, 2974, 3219, 4461, 4506, 6438, 6759, 8922, 9657, 13383, 13518, 19314, 21779, 26766, 27787, 43123, 43558, 55019, 55574, 65337, 83361, 86246, 110038, 129369, 130674, 165057, 166722, 196011, 250083, 258738, 330114, 388107, 392022, 495171, 500166, 776214, 805823, 990342, 1116737, 1595551, 1611646, 2233474, 2417469, 3191102, 3350211, 4786653, 4834938, 6700422, 7252407, 9573306, 10050633, 14359959, 14504814, 20101266, 28719918, 32385373, 41319269, 64770746, 82638538, 97156119, 123957807, 194312238, 247915614, 291468357, 371873421, 582936714, 743746842, 1198258801, 2396517602, 3594776403, 7189552806, 10784329209, 21568658418]

約数ペア:

[(1, 21568658418), (2, 10784329209), (3, 7189552806), (6, 3594776403), (9, 2396517602), (18, 1198258801), (29, 743746842), (37, 582936714), (58, 371873421), (74, 291468357), (87, 247915614), (111, 194312238), (174, 123957807), (222, 97156119), (261, 82638538), (333, 64770746), (522, 41319269), (666, 32385373), (751, 28719918), (1073, 20101266), (1487, 14504814), (1502, 14359959), (2146, 10050633), (2253, 9573306), (2974, 7252407), (3219, 6700422), (4461, 4834938), (4506, 4786653), (6438, 3350211), (6759, 3191102), (8922, 2417469), (9657, 2233474), (13383, 1611646), (13518, 1595551), (19314, 1116737), (21779, 990342), (26766, 805823), (27787, 776214), (43123, 500166), (43558, 495171), (55019, 392022), (55574, 388107), (65337, 330114), (83361, 258738), (86246, 250083), (110038, 196011), (129369, 166722), (130674, 165057)]