21421056

素因数分解:

$2^{10}\times 3^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:409

約数の個数: 88

約数和(自身を含む): 60263680

約数和(自身を除く): 38842624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 367, 384, 456, 512, 608, 734, 768, 912, 1024, 1101, 1216, 1468, 1536, 1824, 2202, 2432, 2936, 3072, 3648, 4404, 4864, 5872, 6973, 7296, 8808, 9728, 11744, 13946, 14592, 17616, 19456, 20919, 23488, 27892, 29184, 35232, 41838, 46976, 55784, 58368, 70464, 83676, 93952, 111568, 140928, 167352, 187904, 223136, 281856, 334704, 375808, 446272, 563712, 669408, 892544, 1127424, 1338816, 1785088, 2677632, 3570176, 5355264, 7140352, 10710528, 21421056]

約数ペア:

[(1, 21421056), (2, 10710528), (3, 7140352), (4, 5355264), (6, 3570176), (8, 2677632), (12, 1785088), (16, 1338816), (19, 1127424), (24, 892544), (32, 669408), (38, 563712), (48, 446272), (57, 375808), (64, 334704), (76, 281856), (96, 223136), (114, 187904), (128, 167352), (152, 140928), (192, 111568), (228, 93952), (256, 83676), (304, 70464), (367, 58368), (384, 55784), (456, 46976), (512, 41838), (608, 35232), (734, 29184), (768, 27892), (912, 23488), (1024, 20919), (1101, 19456), (1216, 17616), (1468, 14592), (1536, 13946), (1824, 11744), (2202, 9728), (2432, 8808), (2936, 7296), (3072, 6973), (3648, 5872), (4404, 4864)]