21564032

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 50379840

約数和(自身を除く): 28815808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 287, 328, 448, 574, 587, 656, 896, 1148, 1174, 1312, 2296, 2348, 2624, 4109, 4592, 4696, 5248, 8218, 9184, 9392, 16436, 18368, 18784, 24067, 32872, 36736, 37568, 48134, 65744, 75136, 96268, 131488, 168469, 192536, 262976, 336938, 385072, 525952, 673876, 770144, 1347752, 1540288, 2695504, 3080576, 5391008, 10782016, 21564032]

約数ペア:

[(1, 21564032), (2, 10782016), (4, 5391008), (7, 3080576), (8, 2695504), (14, 1540288), (16, 1347752), (28, 770144), (32, 673876), (41, 525952), (56, 385072), (64, 336938), (82, 262976), (112, 192536), (128, 168469), (164, 131488), (224, 96268), (287, 75136), (328, 65744), (448, 48134), (574, 37568), (587, 36736), (656, 32872), (896, 24067), (1148, 18784), (1174, 18368), (1312, 16436), (2296, 9392), (2348, 9184), (2624, 8218), (4109, 5248), (4592, 4696)]