21678696

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 49082904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 23, 24, 26, 36, 38, 39, 46, 52, 53, 57, 69, 72, 76, 78, 92, 104, 106, 114, 117, 138, 152, 156, 159, 171, 184, 207, 212, 228, 234, 247, 276, 299, 312, 318, 342, 414, 424, 437, 456, 468, 477, 494, 552, 598, 636, 684, 689, 741, 828, 874, 897, 936, 954, 988, 1007, 1196, 1219, 1272, 1311, 1368, 1378, 1482, 1656, 1748, 1794, 1908, 1976, 2014, 2067, 2223, 2392, 2438, 2622, 2691, 2756, 2964, 3021, 3496, 3588, 3657, 3816, 3933, 4028, 4134, 4446, 4876, 5244, 5382, 5512, 5681, 5928, 6042, 6201, 7176, 7314, 7866, 8056, 8268, 8892, 9063, 9752, 10488, 10764, 10971, 11362, 12084, 12402, 13091, 14628, 15732, 15847, 16536, 17043, 17784, 18126, 21528, 21942, 22724, 23161, 24168, 24804, 26182, 29256, 31464, 31694, 34086, 36252, 39273, 43884, 45448, 46322, 47541, 49608, 51129, 52364, 63388, 68172, 69483, 72504, 78546, 87768, 92644, 95082, 102258, 104728, 117819, 126776, 136344, 138966, 142623, 157092, 185288, 190164, 204516, 208449, 235638, 277932, 285246, 301093, 314184, 380328, 409032, 416898, 471276, 555864, 570492, 602186, 833796, 903279, 942552, 1140984, 1204372, 1667592, 1806558, 2408744, 2709837, 3613116, 5419674, 7226232, 10839348, 21678696]

約数ペア:

[(1, 21678696), (2, 10839348), (3, 7226232), (4, 5419674), (6, 3613116), (8, 2709837), (9, 2408744), (12, 1806558), (13, 1667592), (18, 1204372), (19, 1140984), (23, 942552), (24, 903279), (26, 833796), (36, 602186), (38, 570492), (39, 555864), (46, 471276), (52, 416898), (53, 409032), (57, 380328), (69, 314184), (72, 301093), (76, 285246), (78, 277932), (92, 235638), (104, 208449), (106, 204516), (114, 190164), (117, 185288), (138, 157092), (152, 142623), (156, 138966), (159, 136344), (171, 126776), (184, 117819), (207, 104728), (212, 102258), (228, 95082), (234, 92644), (247, 87768), (276, 78546), (299, 72504), (312, 69483), (318, 68172), (342, 63388), (414, 52364), (424, 51129), (437, 49608), (456, 47541), (468, 46322), (477, 45448), (494, 43884), (552, 39273), (598, 36252), (636, 34086), (684, 31694), (689, 31464), (741, 29256), (828, 26182), (874, 24804), (897, 24168), (936, 23161), (954, 22724), (988, 21942), (1007, 21528), (1196, 18126), (1219, 17784), (1272, 17043), (1311, 16536), (1368, 15847), (1378, 15732), (1482, 14628), (1656, 13091), (1748, 12402), (1794, 12084), (1908, 11362), (1976, 10971), (2014, 10764), (2067, 10488), (2223, 9752), (2392, 9063), (2438, 8892), (2622, 8268), (2691, 8056), (2756, 7866), (2964, 7314), (3021, 7176), (3496, 6201), (3588, 6042), (3657, 5928), (3816, 5681), (3933, 5512), (4028, 5382), (4134, 5244), (4446, 4876)]