21467200

素因数分解:

$2^6\times 5^2\times {\mathrm{13417}}^1$

素因数の和:13439

約数の個数: 42

約数和(自身を含む): 52826666

約数和(自身を除く): 31359466

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13417, 26834, 53668, 67085, 107336, 134170, 214672, 268340, 335425, 429344, 536680, 670850, 858688, 1073360, 1341700, 2146720, 2683400, 4293440, 5366800, 10733600, 21467200]

約数ペア:

[(1, 21467200), (2, 10733600), (4, 5366800), (5, 4293440), (8, 2683400), (10, 2146720), (16, 1341700), (20, 1073360), (25, 858688), (32, 670850), (40, 536680), (50, 429344), (64, 335425), (80, 268340), (100, 214672), (160, 134170), (200, 107336), (320, 67085), (400, 53668), (800, 26834), (1600, 13417)]