21228816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 67995648

約数和(自身を除く): 46766832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 41, 42, 46, 48, 56, 67, 69, 82, 84, 92, 112, 123, 134, 138, 161, 164, 168, 184, 201, 246, 268, 276, 287, 322, 328, 336, 368, 402, 469, 483, 492, 536, 552, 574, 644, 656, 804, 861, 938, 943, 966, 984, 1072, 1104, 1148, 1288, 1407, 1541, 1608, 1722, 1876, 1886, 1932, 1968, 2296, 2576, 2747, 2814, 2829, 3082, 3216, 3444, 3752, 3772, 3864, 4592, 4623, 5494, 5628, 5658, 6164, 6601, 6888, 7504, 7544, 7728, 8241, 9246, 10787, 10988, 11256, 11316, 12328, 13202, 13776, 15088, 16482, 18492, 19229, 19803, 21574, 21976, 22512, 22632, 24656, 26404, 32361, 32964, 36984, 38458, 39606, 43148, 43952, 45264, 52808, 57687, 63181, 64722, 65928, 73968, 76916, 79212, 86296, 105616, 115374, 126362, 129444, 131856, 153832, 158424, 172592, 189543, 230748, 252724, 258888, 307664, 316848, 379086, 442267, 461496, 505448, 517776, 758172, 884534, 922992, 1010896, 1326801, 1516344, 1769068, 2653602, 3032688, 3538136, 5307204, 7076272, 10614408, 21228816]

約数ペア:

[(1, 21228816), (2, 10614408), (3, 7076272), (4, 5307204), (6, 3538136), (7, 3032688), (8, 2653602), (12, 1769068), (14, 1516344), (16, 1326801), (21, 1010896), (23, 922992), (24, 884534), (28, 758172), (41, 517776), (42, 505448), (46, 461496), (48, 442267), (56, 379086), (67, 316848), (69, 307664), (82, 258888), (84, 252724), (92, 230748), (112, 189543), (123, 172592), (134, 158424), (138, 153832), (161, 131856), (164, 129444), (168, 126362), (184, 115374), (201, 105616), (246, 86296), (268, 79212), (276, 76916), (287, 73968), (322, 65928), (328, 64722), (336, 63181), (368, 57687), (402, 52808), (469, 45264), (483, 43952), (492, 43148), (536, 39606), (552, 38458), (574, 36984), (644, 32964), (656, 32361), (804, 26404), (861, 24656), (938, 22632), (943, 22512), (966, 21976), (984, 21574), (1072, 19803), (1104, 19229), (1148, 18492), (1288, 16482), (1407, 15088), (1541, 13776), (1608, 13202), (1722, 12328), (1876, 11316), (1886, 11256), (1932, 10988), (1968, 10787), (2296, 9246), (2576, 8241), (2747, 7728), (2814, 7544), (2829, 7504), (3082, 6888), (3216, 6601), (3444, 6164), (3752, 5658), (3772, 5628), (3864, 5494), (4592, 4623)]