21130584

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 35029416

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 149, 152, 228, 298, 311, 447, 456, 596, 622, 894, 933, 1192, 1244, 1788, 1866, 2488, 2831, 3576, 3732, 5662, 5909, 7464, 8493, 11324, 11818, 16986, 17727, 22648, 23636, 33972, 35454, 46339, 47272, 67944, 70908, 92678, 139017, 141816, 185356, 278034, 370712, 556068, 880441, 1112136, 1760882, 2641323, 3521764, 5282646, 7043528, 10565292, 21130584]

約数ペア:

[(1, 21130584), (2, 10565292), (3, 7043528), (4, 5282646), (6, 3521764), (8, 2641323), (12, 1760882), (19, 1112136), (24, 880441), (38, 556068), (57, 370712), (76, 278034), (114, 185356), (149, 141816), (152, 139017), (228, 92678), (298, 70908), (311, 67944), (447, 47272), (456, 46339), (596, 35454), (622, 33972), (894, 23636), (933, 22648), (1192, 17727), (1244, 16986), (1788, 11818), (1866, 11324), (2488, 8493), (2831, 7464), (3576, 5909), (3732, 5662)]