21346272

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 44697888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 47, 48, 57, 72, 76, 83, 94, 96, 114, 141, 144, 152, 166, 171, 188, 228, 249, 282, 288, 304, 332, 342, 376, 423, 456, 498, 564, 608, 664, 684, 747, 752, 846, 893, 912, 996, 1128, 1328, 1368, 1494, 1504, 1577, 1692, 1786, 1824, 1992, 2256, 2656, 2679, 2736, 2988, 3154, 3384, 3572, 3901, 3984, 4512, 4731, 5358, 5472, 5976, 6308, 6768, 7144, 7802, 7968, 8037, 9462, 10716, 11703, 11952, 12616, 13536, 14193, 14288, 15604, 16074, 18924, 21432, 23406, 23904, 25232, 28386, 28576, 31208, 32148, 35109, 37848, 42864, 46812, 50464, 56772, 62416, 64296, 70218, 74119, 75696, 85728, 93624, 113544, 124832, 128592, 140436, 148238, 151392, 187248, 222357, 227088, 257184, 280872, 296476, 374496, 444714, 454176, 561744, 592952, 667071, 889428, 1123488, 1185904, 1334142, 1778856, 2371808, 2668284, 3557712, 5336568, 7115424, 10673136, 21346272]

約数ペア:

[(1, 21346272), (2, 10673136), (3, 7115424), (4, 5336568), (6, 3557712), (8, 2668284), (9, 2371808), (12, 1778856), (16, 1334142), (18, 1185904), (19, 1123488), (24, 889428), (32, 667071), (36, 592952), (38, 561744), (47, 454176), (48, 444714), (57, 374496), (72, 296476), (76, 280872), (83, 257184), (94, 227088), (96, 222357), (114, 187248), (141, 151392), (144, 148238), (152, 140436), (166, 128592), (171, 124832), (188, 113544), (228, 93624), (249, 85728), (282, 75696), (288, 74119), (304, 70218), (332, 64296), (342, 62416), (376, 56772), (423, 50464), (456, 46812), (498, 42864), (564, 37848), (608, 35109), (664, 32148), (684, 31208), (747, 28576), (752, 28386), (846, 25232), (893, 23904), (912, 23406), (996, 21432), (1128, 18924), (1328, 16074), (1368, 15604), (1494, 14288), (1504, 14193), (1577, 13536), (1692, 12616), (1786, 11952), (1824, 11703), (1992, 10716), (2256, 9462), (2656, 8037), (2679, 7968), (2736, 7802), (2988, 7144), (3154, 6768), (3384, 6308), (3572, 5976), (3901, 5472), (3984, 5358), (4512, 4731)]