21782310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 57542400

約数和(自身を除く): 35760090

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 149, 165, 298, 330, 443, 447, 745, 886, 894, 1329, 1490, 1639, 2215, 2235, 2658, 3278, 4430, 4470, 4873, 4917, 6645, 8195, 9746, 9834, 13290, 14619, 16390, 24365, 24585, 29238, 48730, 49170, 66007, 73095, 132014, 146190, 198021, 330035, 396042, 660070, 726077, 990105, 1452154, 1980210, 2178231, 3630385, 4356462, 7260770, 10891155, 21782310]

約数ペア:

[(1, 21782310), (2, 10891155), (3, 7260770), (5, 4356462), (6, 3630385), (10, 2178231), (11, 1980210), (15, 1452154), (22, 990105), (30, 726077), (33, 660070), (55, 396042), (66, 330035), (110, 198021), (149, 146190), (165, 132014), (298, 73095), (330, 66007), (443, 49170), (447, 48730), (745, 29238), (886, 24585), (894, 24365), (1329, 16390), (1490, 14619), (1639, 13290), (2215, 9834), (2235, 9746), (2658, 8195), (3278, 6645), (4430, 4917), (4470, 4873)]