21435392

素因数分解:

$2^{10}\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 66

約数和(自身を含む): 47371674

約数和(自身を除く): 25936282

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 173, 176, 242, 256, 346, 352, 484, 512, 692, 704, 968, 1024, 1384, 1408, 1903, 1936, 2768, 2816, 3806, 3872, 5536, 5632, 7612, 7744, 11072, 11264, 15224, 15488, 20933, 22144, 30448, 30976, 41866, 44288, 60896, 61952, 83732, 88576, 121792, 123904, 167464, 177152, 243584, 334928, 487168, 669856, 974336, 1339712, 1948672, 2679424, 5358848, 10717696, 21435392]

約数ペア:

[(1, 21435392), (2, 10717696), (4, 5358848), (8, 2679424), (11, 1948672), (16, 1339712), (22, 974336), (32, 669856), (44, 487168), (64, 334928), (88, 243584), (121, 177152), (128, 167464), (173, 123904), (176, 121792), (242, 88576), (256, 83732), (346, 61952), (352, 60896), (484, 44288), (512, 41866), (692, 30976), (704, 30448), (968, 22144), (1024, 20933), (1384, 15488), (1408, 15224), (1903, 11264), (1936, 11072), (2768, 7744), (2816, 7612), (3806, 5632), (3872, 5536)]