21200376

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20543}}^1$

素因数の和:20595

約数の個数: 32

約数和(自身を含む): 54236160

約数和(自身を除く): 33035784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20543, 41086, 61629, 82172, 123258, 164344, 246516, 493032, 883349, 1766698, 2650047, 3533396, 5300094, 7066792, 10600188, 21200376]

約数ペア:

[(1, 21200376), (2, 10600188), (3, 7066792), (4, 5300094), (6, 3533396), (8, 2650047), (12, 1766698), (24, 883349), (43, 493032), (86, 246516), (129, 164344), (172, 123258), (258, 82172), (344, 61629), (516, 41086), (1032, 20543)]