21000996

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{3259}}^1$

素因数の和:3448

約数の個数: 36

約数和(自身を含む): 53398800

約数和(自身を除く): 32397804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3222, 3259, 6444, 6518, 9777, 13036, 19554, 29331, 39108, 58662, 117324, 583361, 1166722, 1750083, 2333444, 3500166, 5250249, 7000332, 10500498, 21000996]

約数ペア:

[(1, 21000996), (2, 10500498), (3, 7000332), (4, 5250249), (6, 3500166), (9, 2333444), (12, 1750083), (18, 1166722), (36, 583361), (179, 117324), (358, 58662), (537, 39108), (716, 29331), (1074, 19554), (1611, 13036), (2148, 9777), (3222, 6518), (3259, 6444)]