21806748

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5881}}^1$

素因数の和:5994

約数の個数: 36

約数和(自身を含む): 55667248

約数和(自身を除く): 33860500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5881, 11762, 17643, 23524, 35286, 52929, 70572, 105858, 211716, 605743, 1211486, 1817229, 2422972, 3634458, 5451687, 7268916, 10903374, 21806748]

約数ペア:

[(1, 21806748), (2, 10903374), (3, 7268916), (4, 5451687), (6, 3634458), (9, 2422972), (12, 1817229), (18, 1211486), (36, 605743), (103, 211716), (206, 105858), (309, 70572), (412, 52929), (618, 35286), (927, 23524), (1236, 17643), (1854, 11762), (3708, 5881)]