21821424

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 60353280

約数和(自身を除く): 38531856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 71, 76, 114, 142, 152, 213, 228, 284, 304, 337, 426, 456, 568, 674, 852, 912, 1011, 1136, 1348, 1349, 1704, 2022, 2696, 2698, 3408, 4044, 4047, 5392, 5396, 6403, 8088, 8094, 10792, 12806, 16176, 16188, 19209, 21584, 23927, 25612, 32376, 38418, 47854, 51224, 64752, 71781, 76836, 95708, 102448, 143562, 153672, 191416, 287124, 307344, 382832, 454613, 574248, 909226, 1148496, 1363839, 1818452, 2727678, 3636904, 5455356, 7273808, 10910712, 21821424]

約数ペア:

[(1, 21821424), (2, 10910712), (3, 7273808), (4, 5455356), (6, 3636904), (8, 2727678), (12, 1818452), (16, 1363839), (19, 1148496), (24, 909226), (38, 574248), (48, 454613), (57, 382832), (71, 307344), (76, 287124), (114, 191416), (142, 153672), (152, 143562), (213, 102448), (228, 95708), (284, 76836), (304, 71781), (337, 64752), (426, 51224), (456, 47854), (568, 38418), (674, 32376), (852, 25612), (912, 23927), (1011, 21584), (1136, 19209), (1348, 16188), (1349, 16176), (1704, 12806), (2022, 10792), (2696, 8094), (2698, 8088), (3408, 6403), (4044, 5396), (4047, 5392)]