21188124

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15907}}^1$

素因数の和:15954

約数の個数: 36

約数和(自身を含む): 55009864

約数和(自身を除く): 33821740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15907, 31814, 47721, 63628, 95442, 143163, 190884, 286326, 572652, 588559, 1177118, 1765677, 2354236, 3531354, 5297031, 7062708, 10594062, 21188124]

約数ペア:

[(1, 21188124), (2, 10594062), (3, 7062708), (4, 5297031), (6, 3531354), (9, 2354236), (12, 1765677), (18, 1177118), (36, 588559), (37, 572652), (74, 286326), (111, 190884), (148, 143163), (222, 95442), (333, 63628), (444, 47721), (666, 31814), (1332, 15907)]