21523264

素因数分解:

$2^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:575

約数の個数: 56

約数和(自身を含む): 49377600

約数和(自身を除く): 27854336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 428, 448, 449, 749, 856, 898, 1498, 1712, 1796, 2996, 3143, 3424, 3592, 5992, 6286, 6848, 7184, 11984, 12572, 14368, 23968, 25144, 28736, 47936, 48043, 50288, 96086, 100576, 192172, 201152, 336301, 384344, 672602, 768688, 1345204, 1537376, 2690408, 3074752, 5380816, 10761632, 21523264]

約数ペア:

[(1, 21523264), (2, 10761632), (4, 5380816), (7, 3074752), (8, 2690408), (14, 1537376), (16, 1345204), (28, 768688), (32, 672602), (56, 384344), (64, 336301), (107, 201152), (112, 192172), (214, 100576), (224, 96086), (428, 50288), (448, 48043), (449, 47936), (749, 28736), (856, 25144), (898, 23968), (1498, 14368), (1712, 12572), (1796, 11984), (2996, 7184), (3143, 6848), (3424, 6286), (3592, 5992)]