21667320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 71089200

約数和(自身を除く): 49421880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 433, 556, 695, 834, 866, 1112, 1251, 1299, 1390, 1668, 1732, 2085, 2165, 2502, 2598, 2780, 3336, 3464, 3897, 4170, 4330, 5004, 5196, 5560, 6255, 6495, 7794, 8340, 8660, 10008, 10392, 12510, 12990, 15588, 16680, 17320, 19485, 25020, 25980, 31176, 38970, 50040, 51960, 60187, 77940, 120374, 155880, 180561, 240748, 300935, 361122, 481496, 541683, 601870, 722244, 902805, 1083366, 1203740, 1444488, 1805610, 2166732, 2407480, 2708415, 3611220, 4333464, 5416830, 7222440, 10833660, 21667320]

約数ペア:

[(1, 21667320), (2, 10833660), (3, 7222440), (4, 5416830), (5, 4333464), (6, 3611220), (8, 2708415), (9, 2407480), (10, 2166732), (12, 1805610), (15, 1444488), (18, 1203740), (20, 1083366), (24, 902805), (30, 722244), (36, 601870), (40, 541683), (45, 481496), (60, 361122), (72, 300935), (90, 240748), (120, 180561), (139, 155880), (180, 120374), (278, 77940), (360, 60187), (417, 51960), (433, 50040), (556, 38970), (695, 31176), (834, 25980), (866, 25020), (1112, 19485), (1251, 17320), (1299, 16680), (1390, 15588), (1668, 12990), (1732, 12510), (2085, 10392), (2165, 10008), (2502, 8660), (2598, 8340), (2780, 7794), (3336, 6495), (3464, 6255), (3897, 5560), (4170, 5196), (4330, 5004)]