21804544

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1206

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 22978304

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 592, 1151, 1184, 2302, 2368, 4604, 4736, 9208, 9472, 18416, 18944, 36832, 42587, 73664, 85174, 147328, 170348, 294656, 340696, 589312, 681392, 1362784, 2725568, 5451136, 10902272, 21804544]

約数ペア:

[(1, 21804544), (2, 10902272), (4, 5451136), (8, 2725568), (16, 1362784), (32, 681392), (37, 589312), (64, 340696), (74, 294656), (128, 170348), (148, 147328), (256, 85174), (296, 73664), (512, 42587), (592, 36832), (1151, 18944), (1184, 18416), (2302, 9472), (2368, 9208), (4604, 4736)]