21066276

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3257}}^1$

素因数の和:3289

約数の個数: 72

約数和(自身を含む): 62397216

約数和(自身を除く): 41330940

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 3257, 6468, 6514, 9771, 13028, 19542, 22799, 35827, 39084, 45598, 68397, 71654, 91196, 107481, 136794, 143308, 159593, 214962, 250789, 273588, 319186, 429924, 478779, 501578, 638372, 752367, 957558, 1003156, 1504734, 1755523, 1915116, 3009468, 3511046, 5266569, 7022092, 10533138, 21066276]

約数ペア:

[(1, 21066276), (2, 10533138), (3, 7022092), (4, 5266569), (6, 3511046), (7, 3009468), (11, 1915116), (12, 1755523), (14, 1504734), (21, 1003156), (22, 957558), (28, 752367), (33, 638372), (42, 501578), (44, 478779), (49, 429924), (66, 319186), (77, 273588), (84, 250789), (98, 214962), (132, 159593), (147, 143308), (154, 136794), (196, 107481), (231, 91196), (294, 71654), (308, 68397), (462, 45598), (539, 39084), (588, 35827), (924, 22799), (1078, 19542), (1617, 13028), (2156, 9771), (3234, 6514), (3257, 6468)]