21624660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6323}}^1$

素因数の和:6357

約数の個数: 72

約数和(自身を含む): 69058080

約数和(自身を除く): 47433420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6323, 12646, 18969, 25292, 31615, 37938, 56907, 63230, 75876, 94845, 113814, 120137, 126460, 189690, 227628, 240274, 284535, 360411, 379380, 480548, 569070, 600685, 720822, 1081233, 1138140, 1201370, 1441644, 1802055, 2162466, 2402740, 3604110, 4324932, 5406165, 7208220, 10812330, 21624660]

約数ペア:

[(1, 21624660), (2, 10812330), (3, 7208220), (4, 5406165), (5, 4324932), (6, 3604110), (9, 2402740), (10, 2162466), (12, 1802055), (15, 1441644), (18, 1201370), (19, 1138140), (20, 1081233), (30, 720822), (36, 600685), (38, 569070), (45, 480548), (57, 379380), (60, 360411), (76, 284535), (90, 240274), (95, 227628), (114, 189690), (171, 126460), (180, 120137), (190, 113814), (228, 94845), (285, 75876), (342, 63230), (380, 56907), (570, 37938), (684, 31615), (855, 25292), (1140, 18969), (1710, 12646), (3420, 6323)]