21416052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1321}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 57448832

約数和(自身を除く): 36032780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 193, 386, 579, 772, 1158, 1321, 1351, 2316, 2642, 2702, 3963, 4053, 5284, 5404, 7926, 8106, 9247, 15852, 16212, 18494, 27741, 36988, 55482, 110964, 254953, 509906, 764859, 1019812, 1529718, 1784671, 3059436, 3569342, 5354013, 7138684, 10708026, 21416052]

約数ペア:

[(1, 21416052), (2, 10708026), (3, 7138684), (4, 5354013), (6, 3569342), (7, 3059436), (12, 1784671), (14, 1529718), (21, 1019812), (28, 764859), (42, 509906), (84, 254953), (193, 110964), (386, 55482), (579, 36988), (772, 27741), (1158, 18494), (1321, 16212), (1351, 15852), (2316, 9247), (2642, 8106), (2702, 7926), (3963, 5404), (4053, 5284)]