21685860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5737}}^1$

素因数の和:5762

約数の個数: 96

約数和(自身を含む): 77118720

約数和(自身を除く): 55432860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5737, 11474, 17211, 22948, 28685, 34422, 40159, 51633, 57370, 68844, 80318, 86055, 103266, 114740, 120477, 154899, 160636, 172110, 200795, 206532, 240954, 258165, 309798, 344220, 361431, 401590, 481908, 516330, 602385, 619596, 722862, 774495, 803180, 1032660, 1084293, 1204770, 1445724, 1548990, 1807155, 2168586, 2409540, 3097980, 3614310, 4337172, 5421465, 7228620, 10842930, 21685860]

約数ペア:

[(1, 21685860), (2, 10842930), (3, 7228620), (4, 5421465), (5, 4337172), (6, 3614310), (7, 3097980), (9, 2409540), (10, 2168586), (12, 1807155), (14, 1548990), (15, 1445724), (18, 1204770), (20, 1084293), (21, 1032660), (27, 803180), (28, 774495), (30, 722862), (35, 619596), (36, 602385), (42, 516330), (45, 481908), (54, 401590), (60, 361431), (63, 344220), (70, 309798), (84, 258165), (90, 240954), (105, 206532), (108, 200795), (126, 172110), (135, 160636), (140, 154899), (180, 120477), (189, 114740), (210, 103266), (252, 86055), (270, 80318), (315, 68844), (378, 57370), (420, 51633), (540, 40159), (630, 34422), (756, 28685), (945, 22948), (1260, 17211), (1890, 11474), (3780, 5737)]