21121020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39113}}^1$

素因数の和:39131

約数の個数: 48

約数和(自身を含む): 65711520

約数和(自身を除く): 44590500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39113, 78226, 117339, 156452, 195565, 234678, 352017, 391130, 469356, 586695, 704034, 782260, 1056051, 1173390, 1408068, 1760085, 2112102, 2346780, 3520170, 4224204, 5280255, 7040340, 10560510, 21121020]

約数ペア:

[(1, 21121020), (2, 10560510), (3, 7040340), (4, 5280255), (5, 4224204), (6, 3520170), (9, 2346780), (10, 2112102), (12, 1760085), (15, 1408068), (18, 1173390), (20, 1056051), (27, 782260), (30, 704034), (36, 586695), (45, 469356), (54, 391130), (60, 352017), (90, 234678), (108, 195565), (135, 156452), (180, 117339), (270, 78226), (540, 39113)]