21835275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 47616000

約数和(自身を除く): 25780725

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 95, 105, 133, 165, 175, 199, 209, 231, 275, 285, 385, 399, 475, 525, 597, 627, 665, 825, 995, 1045, 1155, 1393, 1425, 1463, 1925, 1995, 2189, 2985, 3135, 3325, 3781, 4179, 4389, 4975, 5225, 5775, 6567, 6965, 7315, 9975, 10945, 11343, 14925, 15323, 15675, 18905, 20895, 21945, 26467, 32835, 34825, 36575, 41591, 45969, 54725, 56715, 76615, 79401, 94525, 104475, 109725, 124773, 132335, 164175, 207955, 229845, 283575, 291137, 383075, 397005, 623865, 661675, 873411, 1039775, 1149225, 1455685, 1985025, 3119325, 4367055, 7278425, 21835275]

約数ペア:

[(1, 21835275), (3, 7278425), (5, 4367055), (7, 3119325), (11, 1985025), (15, 1455685), (19, 1149225), (21, 1039775), (25, 873411), (33, 661675), (35, 623865), (55, 397005), (57, 383075), (75, 291137), (77, 283575), (95, 229845), (105, 207955), (133, 164175), (165, 132335), (175, 124773), (199, 109725), (209, 104475), (231, 94525), (275, 79401), (285, 76615), (385, 56715), (399, 54725), (475, 45969), (525, 41591), (597, 36575), (627, 34825), (665, 32835), (825, 26467), (995, 21945), (1045, 20895), (1155, 18905), (1393, 15675), (1425, 15323), (1463, 14925), (1925, 11343), (1995, 10945), (2189, 9975), (2985, 7315), (3135, 6965), (3325, 6567), (3781, 5775), (4179, 5225), (4389, 4975)]