21777168

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 67174272

約数和(自身を除く): 45397104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 49, 56, 84, 94, 98, 112, 141, 147, 168, 188, 196, 197, 282, 294, 329, 336, 376, 392, 394, 564, 588, 591, 658, 752, 784, 788, 987, 1128, 1176, 1182, 1316, 1379, 1576, 1974, 2256, 2303, 2352, 2364, 2632, 2758, 3152, 3948, 4137, 4606, 4728, 5264, 5516, 6909, 7896, 8274, 9212, 9259, 9456, 9653, 11032, 13818, 15792, 16548, 18424, 18518, 19306, 22064, 27636, 27777, 28959, 33096, 36848, 37036, 38612, 55272, 55554, 57918, 64813, 66192, 74072, 77224, 110544, 111108, 115836, 129626, 148144, 154448, 194439, 222216, 231672, 259252, 388878, 444432, 453691, 463344, 518504, 777756, 907382, 1037008, 1361073, 1555512, 1814764, 2722146, 3111024, 3629528, 5444292, 7259056, 10888584, 21777168]

約数ペア:

[(1, 21777168), (2, 10888584), (3, 7259056), (4, 5444292), (6, 3629528), (7, 3111024), (8, 2722146), (12, 1814764), (14, 1555512), (16, 1361073), (21, 1037008), (24, 907382), (28, 777756), (42, 518504), (47, 463344), (48, 453691), (49, 444432), (56, 388878), (84, 259252), (94, 231672), (98, 222216), (112, 194439), (141, 154448), (147, 148144), (168, 129626), (188, 115836), (196, 111108), (197, 110544), (282, 77224), (294, 74072), (329, 66192), (336, 64813), (376, 57918), (392, 55554), (394, 55272), (564, 38612), (588, 37036), (591, 36848), (658, 33096), (752, 28959), (784, 27777), (788, 27636), (987, 22064), (1128, 19306), (1176, 18518), (1182, 18424), (1316, 16548), (1379, 15792), (1576, 13818), (1974, 11032), (2256, 9653), (2303, 9456), (2352, 9259), (2364, 9212), (2632, 8274), (2758, 7896), (3152, 6909), (3948, 5516), (4137, 5264), (4606, 4728)]