21755100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 63551488

約数和(自身を除く): 41796388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 508, 571, 635, 762, 1142, 1270, 1524, 1713, 1905, 2284, 2540, 2855, 3175, 3426, 3810, 5710, 6350, 6852, 7620, 8565, 9525, 11420, 12700, 14275, 17130, 19050, 28550, 34260, 38100, 42825, 57100, 72517, 85650, 145034, 171300, 217551, 290068, 362585, 435102, 725170, 870204, 1087755, 1450340, 1812925, 2175510, 3625850, 4351020, 5438775, 7251700, 10877550, 21755100]

約数ペア:

[(1, 21755100), (2, 10877550), (3, 7251700), (4, 5438775), (5, 4351020), (6, 3625850), (10, 2175510), (12, 1812925), (15, 1450340), (20, 1087755), (25, 870204), (30, 725170), (50, 435102), (60, 362585), (75, 290068), (100, 217551), (127, 171300), (150, 145034), (254, 85650), (300, 72517), (381, 57100), (508, 42825), (571, 38100), (635, 34260), (762, 28550), (1142, 19050), (1270, 17130), (1524, 14275), (1713, 12700), (1905, 11420), (2284, 9525), (2540, 8565), (2855, 7620), (3175, 6852), (3426, 6350), (3810, 5710)]