21789492

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 30368460

約数列:

[1, 2, 3, 4, 6, 12, 83, 131, 166, 167, 249, 262, 332, 334, 393, 498, 501, 524, 668, 786, 996, 1002, 1572, 2004, 10873, 13861, 21746, 21877, 27722, 32619, 41583, 43492, 43754, 55444, 65238, 65631, 83166, 87508, 130476, 131262, 166332, 262524, 1815791, 3631582, 5447373, 7263164, 10894746, 21789492]

約数ペア:

[(1, 21789492), (2, 10894746), (3, 7263164), (4, 5447373), (6, 3631582), (12, 1815791), (83, 262524), (131, 166332), (166, 131262), (167, 130476), (249, 87508), (262, 83166), (332, 65631), (334, 65238), (393, 55444), (498, 43754), (501, 43492), (524, 41583), (668, 32619), (786, 27722), (996, 21877), (1002, 21746), (1572, 13861), (2004, 10873)]