21083345516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{11923}}^1$

素因数の和:12438

約数の個数: 48

約数和(自身を含む): 39663993600

約数和(自身を除く): 18580648084

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 439, 878, 1007, 1756, 2014, 4028, 8341, 11923, 16682, 23267, 23846, 33364, 46534, 47692, 93068, 226537, 442073, 453074, 631919, 884146, 906148, 1263838, 1768292, 2527676, 5234197, 10468394, 12006461, 20936788, 24012922, 48025844, 99449743, 198899486, 277412441, 397798972, 554824882, 1109649764, 5270836379, 10541672758, 21083345516]

約数ペア:

[(1, 21083345516), (2, 10541672758), (4, 5270836379), (19, 1109649764), (38, 554824882), (53, 397798972), (76, 277412441), (106, 198899486), (212, 99449743), (439, 48025844), (878, 24012922), (1007, 20936788), (1756, 12006461), (2014, 10468394), (4028, 5234197), (8341, 2527676), (11923, 1768292), (16682, 1263838), (23267, 906148), (23846, 884146), (33364, 631919), (46534, 453074), (47692, 442073), (93068, 226537)]