21046528

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4362

約数の個数: 36

約数和(自身を含む): 44232160

約数和(自身を除く): 23185632

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4327, 4864, 8654, 17308, 34616, 69232, 82213, 138464, 164426, 276928, 328852, 553856, 657704, 1107712, 1315408, 2630816, 5261632, 10523264, 21046528]

約数ペア:

[(1, 21046528), (2, 10523264), (4, 5261632), (8, 2630816), (16, 1315408), (19, 1107712), (32, 657704), (38, 553856), (64, 328852), (76, 276928), (128, 164426), (152, 138464), (256, 82213), (304, 69232), (608, 34616), (1216, 17308), (2432, 8654), (4327, 4864)]