21968548225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{5003}}^1$

素因数の和:5314

約数の個数: 48

約数和(自身を含む): 29969956800

約数和(自身を除く): 8001408575

約数列:

[1, 5, 13, 25, 59, 65, 229, 295, 325, 767, 1145, 1475, 2977, 3835, 5003, 5725, 13511, 14885, 19175, 25015, 65039, 67555, 74425, 125075, 175643, 295177, 325195, 337775, 878215, 1145687, 1475885, 1625975, 3837301, 4391075, 5728435, 7379425, 14893931, 19186505, 28642175, 67595533, 74469655, 95932525, 337977665, 372348275, 878741929, 1689888325, 4393709645, 21968548225]

約数ペア:

[(1, 21968548225), (5, 4393709645), (13, 1689888325), (25, 878741929), (59, 372348275), (65, 337977665), (229, 95932525), (295, 74469655), (325, 67595533), (767, 28642175), (1145, 19186505), (1475, 14893931), (2977, 7379425), (3835, 5728435), (5003, 4391075), (5725, 3837301), (13511, 1625975), (14885, 1475885), (19175, 1145687), (25015, 878215), (65039, 337775), (67555, 325195), (74425, 295177), (125075, 175643)]