21642444

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 38837556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 53, 54, 57, 76, 106, 108, 114, 159, 171, 199, 212, 228, 318, 342, 398, 477, 513, 597, 636, 684, 796, 954, 1007, 1026, 1194, 1431, 1791, 1908, 2014, 2052, 2388, 2862, 3021, 3582, 3781, 4028, 5373, 5724, 6042, 7164, 7562, 9063, 10547, 10746, 11343, 12084, 15124, 18126, 21094, 21492, 22686, 27189, 31641, 34029, 36252, 42188, 45372, 54378, 63282, 68058, 94923, 102087, 108756, 126564, 136116, 189846, 200393, 204174, 284769, 379692, 400786, 408348, 569538, 601179, 801572, 1139076, 1202358, 1803537, 2404716, 3607074, 5410611, 7214148, 10821222, 21642444]

約数ペア:

[(1, 21642444), (2, 10821222), (3, 7214148), (4, 5410611), (6, 3607074), (9, 2404716), (12, 1803537), (18, 1202358), (19, 1139076), (27, 801572), (36, 601179), (38, 569538), (53, 408348), (54, 400786), (57, 379692), (76, 284769), (106, 204174), (108, 200393), (114, 189846), (159, 136116), (171, 126564), (199, 108756), (212, 102087), (228, 94923), (318, 68058), (342, 63282), (398, 54378), (477, 45372), (513, 42188), (597, 36252), (636, 34029), (684, 31641), (796, 27189), (954, 22686), (1007, 21492), (1026, 21094), (1194, 18126), (1431, 15124), (1791, 12084), (1908, 11343), (2014, 10746), (2052, 10547), (2388, 9063), (2862, 7562), (3021, 7164), (3582, 6042), (3781, 5724), (4028, 5373)]