21269850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 61710336

約数和(自身を除く): 40440486

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 47, 50, 70, 75, 94, 105, 141, 150, 175, 210, 235, 282, 329, 350, 431, 470, 525, 658, 705, 862, 987, 1050, 1175, 1293, 1410, 1645, 1974, 2155, 2350, 2586, 3017, 3290, 3525, 4310, 4935, 6034, 6465, 7050, 8225, 9051, 9870, 10775, 12930, 15085, 16450, 18102, 20257, 21550, 24675, 30170, 32325, 40514, 45255, 49350, 60771, 64650, 75425, 90510, 101285, 121542, 141799, 150850, 202570, 226275, 283598, 303855, 425397, 452550, 506425, 607710, 708995, 850794, 1012850, 1417990, 1519275, 2126985, 3038550, 3544975, 4253970, 7089950, 10634925, 21269850]

約数ペア:

[(1, 21269850), (2, 10634925), (3, 7089950), (5, 4253970), (6, 3544975), (7, 3038550), (10, 2126985), (14, 1519275), (15, 1417990), (21, 1012850), (25, 850794), (30, 708995), (35, 607710), (42, 506425), (47, 452550), (50, 425397), (70, 303855), (75, 283598), (94, 226275), (105, 202570), (141, 150850), (150, 141799), (175, 121542), (210, 101285), (235, 90510), (282, 75425), (329, 64650), (350, 60771), (431, 49350), (470, 45255), (525, 40514), (658, 32325), (705, 30170), (862, 24675), (987, 21550), (1050, 20257), (1175, 18102), (1293, 16450), (1410, 15085), (1645, 12930), (1974, 10775), (2155, 9870), (2350, 9051), (2586, 8225), (3017, 7050), (3290, 6465), (3525, 6034), (4310, 4935)]