21167200

素因数分解:

$2^5\times 5^2\times {\mathrm{26459}}^1$

素因数の和:26479

約数の個数: 36

約数和(自身を含む): 51676380

約数和(自身を除く): 30509180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26459, 52918, 105836, 132295, 211672, 264590, 423344, 529180, 661475, 846688, 1058360, 1322950, 2116720, 2645900, 4233440, 5291800, 10583600, 21167200]

約数ペア:

[(1, 21167200), (2, 10583600), (4, 5291800), (5, 4233440), (8, 2645900), (10, 2116720), (16, 1322950), (20, 1058360), (25, 846688), (32, 661475), (40, 529180), (50, 423344), (80, 264590), (100, 211672), (160, 132295), (200, 105836), (400, 52918), (800, 26459)]