21437016

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 36105384

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 53, 57, 76, 106, 114, 152, 159, 212, 228, 318, 424, 456, 636, 887, 1007, 1272, 1774, 2014, 2661, 3021, 3548, 4028, 5322, 6042, 7096, 8056, 10644, 12084, 16853, 21288, 24168, 33706, 47011, 50559, 67412, 94022, 101118, 134824, 141033, 188044, 202236, 282066, 376088, 404472, 564132, 893209, 1128264, 1786418, 2679627, 3572836, 5359254, 7145672, 10718508, 21437016]

約数ペア:

[(1, 21437016), (2, 10718508), (3, 7145672), (4, 5359254), (6, 3572836), (8, 2679627), (12, 1786418), (19, 1128264), (24, 893209), (38, 564132), (53, 404472), (57, 376088), (76, 282066), (106, 202236), (114, 188044), (152, 141033), (159, 134824), (212, 101118), (228, 94022), (318, 67412), (424, 50559), (456, 47011), (636, 33706), (887, 24168), (1007, 21288), (1272, 16853), (1774, 12084), (2014, 10644), (2661, 8056), (3021, 7096), (3548, 6042), (4028, 5322)]