21273504

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31657}}^1$

素因数の和:31677

約数の個数: 48

約数和(自身を含む): 63822528

約数和(自身を除く): 42549024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31657, 63314, 94971, 126628, 189942, 221599, 253256, 379884, 443198, 506512, 664797, 759768, 886396, 1013024, 1329594, 1519536, 1772792, 2659188, 3039072, 3545584, 5318376, 7091168, 10636752, 21273504]

約数ペア:

[(1, 21273504), (2, 10636752), (3, 7091168), (4, 5318376), (6, 3545584), (7, 3039072), (8, 2659188), (12, 1772792), (14, 1519536), (16, 1329594), (21, 1013024), (24, 886396), (28, 759768), (32, 664797), (42, 506512), (48, 443198), (56, 379884), (84, 253256), (96, 221599), (112, 189942), (168, 126628), (224, 94971), (336, 63314), (672, 31657)]