21763072

素因数分解:

$2^{10}\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:474

約数の個数: 44

約数和(自身を含む): 44436276

約数和(自身を除く): 22673204

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 401, 424, 512, 802, 848, 1024, 1604, 1696, 3208, 3392, 6416, 6784, 12832, 13568, 21253, 25664, 27136, 42506, 51328, 54272, 85012, 102656, 170024, 205312, 340048, 410624, 680096, 1360192, 2720384, 5440768, 10881536, 21763072]

約数ペア:

[(1, 21763072), (2, 10881536), (4, 5440768), (8, 2720384), (16, 1360192), (32, 680096), (53, 410624), (64, 340048), (106, 205312), (128, 170024), (212, 102656), (256, 85012), (401, 54272), (424, 51328), (512, 42506), (802, 27136), (848, 25664), (1024, 21253), (1604, 13568), (1696, 12832), (3208, 6784), (3392, 6416)]