21600256

素因数分解:

$2^{11}\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 22625744

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 199, 212, 256, 398, 424, 512, 796, 848, 1024, 1592, 1696, 2048, 3184, 3392, 6368, 6784, 10547, 12736, 13568, 21094, 25472, 27136, 42188, 50944, 54272, 84376, 101888, 108544, 168752, 203776, 337504, 407552, 675008, 1350016, 2700032, 5400064, 10800128, 21600256]

約数ペア:

[(1, 21600256), (2, 10800128), (4, 5400064), (8, 2700032), (16, 1350016), (32, 675008), (53, 407552), (64, 337504), (106, 203776), (128, 168752), (199, 108544), (212, 101888), (256, 84376), (398, 54272), (424, 50944), (512, 42188), (796, 27136), (848, 25472), (1024, 21094), (1592, 13568), (1696, 12736), (2048, 10547), (3184, 6784), (3392, 6368)]