21731601025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{3121}}^1$

素因数の和:3394

約数の個数: 48

約数和(自身を含む): 28848778560

約数和(自身を除く): 7117177535

約数列:

[1, 5, 19, 25, 95, 107, 137, 475, 535, 685, 2033, 2603, 2675, 3121, 3425, 10165, 13015, 14659, 15605, 50825, 59299, 65075, 73295, 78025, 278521, 296495, 333947, 366475, 427577, 1392605, 1482475, 1669735, 2137885, 6344993, 6963025, 8123963, 8348675, 10689425, 31724965, 40619815, 45750739, 158624825, 203099075, 228753695, 869264041, 1143768475, 4346320205, 21731601025]

約数ペア:

[(1, 21731601025), (5, 4346320205), (19, 1143768475), (25, 869264041), (95, 228753695), (107, 203099075), (137, 158624825), (475, 45750739), (535, 40619815), (685, 31724965), (2033, 10689425), (2603, 8348675), (2675, 8123963), (3121, 6963025), (3425, 6344993), (10165, 2137885), (13015, 1669735), (14659, 1482475), (15605, 1392605), (50825, 427577), (59299, 366475), (65075, 333947), (73295, 296495), (78025, 278521)]