21298512

素因数分解:

$2^4\times 3^1\times {\mathrm{167}}^1\times {\mathrm{2657}}^1$

素因数の和:2835

約数の個数: 40

約数和(自身を含む): 55371456

約数和(自身を除く): 34072944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 167, 334, 501, 668, 1002, 1336, 2004, 2657, 2672, 4008, 5314, 7971, 8016, 10628, 15942, 21256, 31884, 42512, 63768, 127536, 443719, 887438, 1331157, 1774876, 2662314, 3549752, 5324628, 7099504, 10649256, 21298512]

約数ペア:

[(1, 21298512), (2, 10649256), (3, 7099504), (4, 5324628), (6, 3549752), (8, 2662314), (12, 1774876), (16, 1331157), (24, 887438), (48, 443719), (167, 127536), (334, 63768), (501, 42512), (668, 31884), (1002, 21256), (1336, 15942), (2004, 10628), (2657, 8016), (2672, 7971), (4008, 5314)]