21946880

素因数分解:

$2^9\times 5^1\times {\mathrm{8573}}^1$

素因数の和:8596

約数の個数: 40

約数和(自身を含む): 52627212

約数和(自身を除く): 30680332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 8573, 17146, 34292, 42865, 68584, 85730, 137168, 171460, 274336, 342920, 548672, 685840, 1097344, 1371680, 2194688, 2743360, 4389376, 5486720, 10973440, 21946880]

約数ペア:

[(1, 21946880), (2, 10973440), (4, 5486720), (5, 4389376), (8, 2743360), (10, 2194688), (16, 1371680), (20, 1097344), (32, 685840), (40, 548672), (64, 342920), (80, 274336), (128, 171460), (160, 137168), (256, 85730), (320, 68584), (512, 42865), (640, 34292), (1280, 17146), (2560, 8573)]