21258723888

素因数分解:

$2^4\times 3^3\times {\mathrm{197}}^1\times {\mathrm{249797}}^1$

素因数の和:250011

約数の個数: 80

約数和(自身を含む): 61330404960

約数和(自身を除く): 40071681072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 197, 216, 394, 432, 591, 788, 1182, 1576, 1773, 2364, 3152, 3546, 4728, 5319, 7092, 9456, 10638, 14184, 21276, 28368, 42552, 85104, 249797, 499594, 749391, 999188, 1498782, 1998376, 2248173, 2997564, 3996752, 4496346, 5995128, 6744519, 8992692, 11990256, 13489038, 17985384, 26978076, 35970768, 49210009, 53956152, 98420018, 107912304, 147630027, 196840036, 295260054, 393680072, 442890081, 590520108, 787360144, 885780162, 1181040216, 1328670243, 1771560324, 2362080432, 2657340486, 3543120648, 5314680972, 7086241296, 10629361944, 21258723888]

約数ペア:

[(1, 21258723888), (2, 10629361944), (3, 7086241296), (4, 5314680972), (6, 3543120648), (8, 2657340486), (9, 2362080432), (12, 1771560324), (16, 1328670243), (18, 1181040216), (24, 885780162), (27, 787360144), (36, 590520108), (48, 442890081), (54, 393680072), (72, 295260054), (108, 196840036), (144, 147630027), (197, 107912304), (216, 98420018), (394, 53956152), (432, 49210009), (591, 35970768), (788, 26978076), (1182, 17985384), (1576, 13489038), (1773, 11990256), (2364, 8992692), (3152, 6744519), (3546, 5995128), (4728, 4496346), (5319, 3996752), (7092, 2997564), (9456, 2248173), (10638, 1998376), (14184, 1498782), (21276, 999188), (28368, 749391), (42552, 499594), (85104, 249797)]