21161448

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 72203040

約数和(自身を除く): 51041592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 121, 126, 132, 154, 168, 198, 231, 242, 252, 264, 308, 347, 363, 396, 462, 484, 504, 616, 693, 694, 726, 792, 847, 924, 968, 1041, 1089, 1386, 1388, 1452, 1694, 1848, 2082, 2178, 2429, 2541, 2772, 2776, 2904, 3123, 3388, 3817, 4164, 4356, 4858, 5082, 5544, 6246, 6776, 7287, 7623, 7634, 8328, 8712, 9716, 10164, 11451, 12492, 14574, 15246, 15268, 19432, 20328, 21861, 22902, 24984, 26719, 29148, 30492, 30536, 34353, 41987, 43722, 45804, 53438, 58296, 60984, 68706, 80157, 83974, 87444, 91608, 106876, 125961, 137412, 160314, 167948, 174888, 213752, 240471, 251922, 274824, 293909, 320628, 335896, 377883, 480942, 503844, 587818, 641256, 755766, 881727, 961884, 1007688, 1175636, 1511532, 1763454, 1923768, 2351272, 2645181, 3023064, 3526908, 5290362, 7053816, 10580724, 21161448]

約数ペア:

[(1, 21161448), (2, 10580724), (3, 7053816), (4, 5290362), (6, 3526908), (7, 3023064), (8, 2645181), (9, 2351272), (11, 1923768), (12, 1763454), (14, 1511532), (18, 1175636), (21, 1007688), (22, 961884), (24, 881727), (28, 755766), (33, 641256), (36, 587818), (42, 503844), (44, 480942), (56, 377883), (63, 335896), (66, 320628), (72, 293909), (77, 274824), (84, 251922), (88, 240471), (99, 213752), (121, 174888), (126, 167948), (132, 160314), (154, 137412), (168, 125961), (198, 106876), (231, 91608), (242, 87444), (252, 83974), (264, 80157), (308, 68706), (347, 60984), (363, 58296), (396, 53438), (462, 45804), (484, 43722), (504, 41987), (616, 34353), (693, 30536), (694, 30492), (726, 29148), (792, 26719), (847, 24984), (924, 22902), (968, 21861), (1041, 20328), (1089, 19432), (1386, 15268), (1388, 15246), (1452, 14574), (1694, 12492), (1848, 11451), (2082, 10164), (2178, 9716), (2429, 8712), (2541, 8328), (2772, 7634), (2776, 7623), (2904, 7287), (3123, 6776), (3388, 6246), (3817, 5544), (4164, 5082), (4356, 4858)]