21359448

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 63882000

約数和(自身を除く): 42522552

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 149, 181, 198, 264, 298, 362, 396, 447, 543, 596, 724, 792, 894, 1086, 1192, 1341, 1448, 1629, 1639, 1788, 1991, 2172, 2682, 3258, 3278, 3576, 3982, 4344, 4917, 5364, 5973, 6516, 6556, 7964, 9834, 10728, 11946, 13032, 13112, 14751, 15928, 17919, 19668, 23892, 26969, 29502, 35838, 39336, 47784, 53938, 59004, 71676, 80907, 107876, 118008, 143352, 161814, 215752, 242721, 296659, 323628, 485442, 593318, 647256, 889977, 970884, 1186636, 1779954, 1941768, 2373272, 2669931, 3559908, 5339862, 7119816, 10679724, 21359448]

約数ペア:

[(1, 21359448), (2, 10679724), (3, 7119816), (4, 5339862), (6, 3559908), (8, 2669931), (9, 2373272), (11, 1941768), (12, 1779954), (18, 1186636), (22, 970884), (24, 889977), (33, 647256), (36, 593318), (44, 485442), (66, 323628), (72, 296659), (88, 242721), (99, 215752), (132, 161814), (149, 143352), (181, 118008), (198, 107876), (264, 80907), (298, 71676), (362, 59004), (396, 53938), (447, 47784), (543, 39336), (596, 35838), (724, 29502), (792, 26969), (894, 23892), (1086, 19668), (1192, 17919), (1341, 15928), (1448, 14751), (1629, 13112), (1639, 13032), (1788, 11946), (1991, 10728), (2172, 9834), (2682, 7964), (3258, 6556), (3278, 6516), (3576, 5973), (3982, 5364), (4344, 4917)]