21079788

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 50982624

約数和(自身を除く): 29902836

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 197, 222, 241, 394, 444, 482, 591, 723, 788, 964, 1182, 1446, 2364, 2892, 7289, 8917, 14578, 17834, 21867, 26751, 29156, 35668, 43734, 47477, 53502, 87468, 94954, 107004, 142431, 189908, 284862, 569724, 1756649, 3513298, 5269947, 7026596, 10539894, 21079788]

約数ペア:

[(1, 21079788), (2, 10539894), (3, 7026596), (4, 5269947), (6, 3513298), (12, 1756649), (37, 569724), (74, 284862), (111, 189908), (148, 142431), (197, 107004), (222, 94954), (241, 87468), (394, 53502), (444, 47477), (482, 43734), (591, 35668), (723, 29156), (788, 26751), (964, 21867), (1182, 17834), (1446, 14578), (2364, 8917), (2892, 7289)]