21147636

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 51565248

約数和(自身を除く): 30417612

約数列:

[1, 2, 3, 4, 6, 12, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 492, 636, 811, 1622, 2173, 2433, 3244, 4346, 4866, 6519, 8692, 9732, 13038, 26076, 33251, 42983, 66502, 85966, 99753, 128949, 133004, 171932, 199506, 257898, 399012, 515796, 1762303, 3524606, 5286909, 7049212, 10573818, 21147636]

約数ペア:

[(1, 21147636), (2, 10573818), (3, 7049212), (4, 5286909), (6, 3524606), (12, 1762303), (41, 515796), (53, 399012), (82, 257898), (106, 199506), (123, 171932), (159, 133004), (164, 128949), (212, 99753), (246, 85966), (318, 66502), (492, 42983), (636, 33251), (811, 26076), (1622, 13038), (2173, 9732), (2433, 8692), (3244, 6519), (4346, 4866)]