21941808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 120

約数和(自身を含む): 69549120

約数和(自身を除く): 47607312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 49, 56, 57, 76, 84, 98, 112, 114, 133, 147, 152, 168, 196, 228, 266, 294, 304, 336, 392, 399, 456, 491, 532, 588, 784, 798, 912, 931, 982, 1064, 1176, 1473, 1596, 1862, 1964, 2128, 2352, 2793, 2946, 3192, 3437, 3724, 3928, 5586, 5892, 6384, 6874, 7448, 7856, 9329, 10311, 11172, 11784, 13748, 14896, 18658, 20622, 22344, 23568, 24059, 27496, 27987, 37316, 41244, 44688, 48118, 54992, 55974, 65303, 72177, 74632, 82488, 96236, 111948, 130606, 144354, 149264, 164976, 192472, 195909, 223896, 261212, 288708, 384944, 391818, 447792, 457121, 522424, 577416, 783636, 914242, 1044848, 1154832, 1371363, 1567272, 1828484, 2742726, 3134544, 3656968, 5485452, 7313936, 10970904, 21941808]

約数ペア:

[(1, 21941808), (2, 10970904), (3, 7313936), (4, 5485452), (6, 3656968), (7, 3134544), (8, 2742726), (12, 1828484), (14, 1567272), (16, 1371363), (19, 1154832), (21, 1044848), (24, 914242), (28, 783636), (38, 577416), (42, 522424), (48, 457121), (49, 447792), (56, 391818), (57, 384944), (76, 288708), (84, 261212), (98, 223896), (112, 195909), (114, 192472), (133, 164976), (147, 149264), (152, 144354), (168, 130606), (196, 111948), (228, 96236), (266, 82488), (294, 74632), (304, 72177), (336, 65303), (392, 55974), (399, 54992), (456, 48118), (491, 44688), (532, 41244), (588, 37316), (784, 27987), (798, 27496), (912, 24059), (931, 23568), (982, 22344), (1064, 20622), (1176, 18658), (1473, 14896), (1596, 13748), (1862, 11784), (1964, 11172), (2128, 10311), (2352, 9329), (2793, 7856), (2946, 7448), (3192, 6874), (3437, 6384), (3724, 5892), (3928, 5586)]