21639156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2129}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 63456960

約数和(自身を除く): 41817804

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2129, 2541, 3388, 4258, 5082, 6387, 8516, 10164, 12774, 14903, 23419, 25548, 29806, 44709, 46838, 59612, 70257, 89418, 93676, 140514, 163933, 178836, 257609, 281028, 327866, 491799, 515218, 655732, 772827, 983598, 1030436, 1545654, 1803263, 1967196, 3091308, 3606526, 5409789, 7213052, 10819578, 21639156]

約数ペア:

[(1, 21639156), (2, 10819578), (3, 7213052), (4, 5409789), (6, 3606526), (7, 3091308), (11, 1967196), (12, 1803263), (14, 1545654), (21, 1030436), (22, 983598), (28, 772827), (33, 655732), (42, 515218), (44, 491799), (66, 327866), (77, 281028), (84, 257609), (121, 178836), (132, 163933), (154, 140514), (231, 93676), (242, 89418), (308, 70257), (363, 59612), (462, 46838), (484, 44709), (726, 29806), (847, 25548), (924, 23419), (1452, 14903), (1694, 12774), (2129, 10164), (2541, 8516), (3388, 6387), (4258, 5082)]