21533256

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{761}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 60350400

約数和(自身を除く): 38817144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 761, 786, 1048, 1179, 1522, 1572, 2283, 2358, 3044, 3144, 3537, 4566, 4716, 6088, 6849, 7074, 9132, 9432, 13698, 14148, 18264, 20547, 27396, 28296, 41094, 54792, 82188, 99691, 164376, 199382, 299073, 398764, 598146, 797528, 897219, 1196292, 1794438, 2392584, 2691657, 3588876, 5383314, 7177752, 10766628, 21533256]

約数ペア:

[(1, 21533256), (2, 10766628), (3, 7177752), (4, 5383314), (6, 3588876), (8, 2691657), (9, 2392584), (12, 1794438), (18, 1196292), (24, 897219), (27, 797528), (36, 598146), (54, 398764), (72, 299073), (108, 199382), (131, 164376), (216, 99691), (262, 82188), (393, 54792), (524, 41094), (761, 28296), (786, 27396), (1048, 20547), (1179, 18264), (1522, 14148), (1572, 13698), (2283, 9432), (2358, 9132), (3044, 7074), (3144, 6849), (3537, 6088), (4566, 4716)]