21218208

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 61834752

約数和(自身を除く): 40616544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 71, 88, 96, 132, 142, 176, 213, 264, 283, 284, 352, 426, 528, 566, 568, 781, 849, 852, 1056, 1132, 1136, 1562, 1698, 1704, 2264, 2272, 2343, 3113, 3124, 3396, 3408, 4528, 4686, 6226, 6248, 6792, 6816, 9056, 9339, 9372, 12452, 12496, 13584, 18678, 18744, 20093, 24904, 24992, 27168, 37356, 37488, 40186, 49808, 60279, 74712, 74976, 80372, 99616, 120558, 149424, 160744, 221023, 241116, 298848, 321488, 442046, 482232, 642976, 663069, 884092, 964464, 1326138, 1768184, 1928928, 2652276, 3536368, 5304552, 7072736, 10609104, 21218208]

約数ペア:

[(1, 21218208), (2, 10609104), (3, 7072736), (4, 5304552), (6, 3536368), (8, 2652276), (11, 1928928), (12, 1768184), (16, 1326138), (22, 964464), (24, 884092), (32, 663069), (33, 642976), (44, 482232), (48, 442046), (66, 321488), (71, 298848), (88, 241116), (96, 221023), (132, 160744), (142, 149424), (176, 120558), (213, 99616), (264, 80372), (283, 74976), (284, 74712), (352, 60279), (426, 49808), (528, 40186), (566, 37488), (568, 37356), (781, 27168), (849, 24992), (852, 24904), (1056, 20093), (1132, 18744), (1136, 18678), (1562, 13584), (1698, 12496), (1704, 12452), (2264, 9372), (2272, 9339), (2343, 9056), (3113, 6816), (3124, 6792), (3396, 6248), (3408, 6226), (4528, 4686)]