21187332

素因数分解:

$2^2\times 3^4\times {\mathrm{65393}}^1$

素因数の和:65409

約数の個数: 30

約数和(自身を含む): 55388718

約数和(自身を除く): 34201386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65393, 130786, 196179, 261572, 392358, 588537, 784716, 1177074, 1765611, 2354148, 3531222, 5296833, 7062444, 10593666, 21187332]

約数ペア:

[(1, 21187332), (2, 10593666), (3, 7062444), (4, 5296833), (6, 3531222), (9, 2354148), (12, 1765611), (18, 1177074), (27, 784716), (36, 588537), (54, 392358), (81, 261572), (108, 196179), (162, 130786), (324, 65393)]