21523086

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 54512640

約数和(自身を除く): 32989554

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 47, 57, 78, 94, 103, 114, 117, 141, 171, 206, 234, 247, 282, 309, 342, 423, 494, 611, 618, 741, 846, 893, 927, 1222, 1339, 1482, 1786, 1833, 1854, 1957, 2223, 2678, 2679, 3666, 3914, 4017, 4446, 4841, 5358, 5499, 5871, 8034, 8037, 9682, 10998, 11609, 11742, 12051, 14523, 16074, 17613, 23218, 24102, 25441, 29046, 34827, 35226, 43569, 50882, 62933, 69654, 76323, 87138, 91979, 104481, 125866, 152646, 183958, 188799, 208962, 228969, 275937, 377598, 457938, 551874, 566397, 827811, 1132794, 1195727, 1655622, 2391454, 3587181, 7174362, 10761543, 21523086]

約数ペア:

[(1, 21523086), (2, 10761543), (3, 7174362), (6, 3587181), (9, 2391454), (13, 1655622), (18, 1195727), (19, 1132794), (26, 827811), (38, 566397), (39, 551874), (47, 457938), (57, 377598), (78, 275937), (94, 228969), (103, 208962), (114, 188799), (117, 183958), (141, 152646), (171, 125866), (206, 104481), (234, 91979), (247, 87138), (282, 76323), (309, 69654), (342, 62933), (423, 50882), (494, 43569), (611, 35226), (618, 34827), (741, 29046), (846, 25441), (893, 24102), (927, 23218), (1222, 17613), (1339, 16074), (1482, 14523), (1786, 12051), (1833, 11742), (1854, 11609), (1957, 10998), (2223, 9682), (2678, 8037), (2679, 8034), (3666, 5871), (3914, 5499), (4017, 5358), (4446, 4841)]