21541452

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 52039680

約数和(自身を除く): 30498228

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 109, 129, 172, 218, 258, 327, 383, 436, 516, 654, 766, 1149, 1308, 1532, 2298, 4596, 4687, 9374, 14061, 16469, 18748, 28122, 32938, 41747, 49407, 56244, 65876, 83494, 98814, 125241, 166988, 197628, 250482, 500964, 1795121, 3590242, 5385363, 7180484, 10770726, 21541452]

約数ペア:

[(1, 21541452), (2, 10770726), (3, 7180484), (4, 5385363), (6, 3590242), (12, 1795121), (43, 500964), (86, 250482), (109, 197628), (129, 166988), (172, 125241), (218, 98814), (258, 83494), (327, 65876), (383, 56244), (436, 49407), (516, 41747), (654, 32938), (766, 28122), (1149, 18748), (1308, 16469), (1532, 14061), (2298, 9374), (4596, 4687)]