21992373896

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{495413}}^1$

素因数の和:495629

約数の個数: 32

約数和(自身を含む): 42803769600

約数和(自身を除く): 20811395704

約数列:

[1, 2, 4, 8, 31, 62, 124, 179, 248, 358, 716, 1432, 5549, 11098, 22196, 44392, 495413, 990826, 1981652, 3963304, 15357803, 30715606, 61431212, 88678927, 122862424, 177357854, 354715708, 709431416, 2749046737, 5498093474, 10996186948, 21992373896]

約数ペア:

[(1, 21992373896), (2, 10996186948), (4, 5498093474), (8, 2749046737), (31, 709431416), (62, 354715708), (124, 177357854), (179, 122862424), (248, 88678927), (358, 61431212), (716, 30715606), (1432, 15357803), (5549, 3963304), (11098, 1981652), (22196, 990826), (44392, 495413)]