21468754935

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{997}}^1\times {\mathrm{3169}}^1$

素因数の和:4328

約数の個数: 48

約数和(自身を含む): 37508352960

約数和(自身を除く): 16039598025

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 997, 1359, 2265, 2991, 3169, 4985, 6795, 8973, 9507, 14955, 15845, 28521, 44865, 47535, 142605, 150547, 451641, 478519, 752735, 1354923, 1435557, 2258205, 2392595, 3159493, 4306671, 6774615, 7177785, 9478479, 15797465, 21533355, 28435437, 47392395, 142177185, 477083443, 1431250329, 2385417215, 4293750987, 7156251645, 21468754935]

約数ペア:

[(1, 21468754935), (3, 7156251645), (5, 4293750987), (9, 2385417215), (15, 1431250329), (45, 477083443), (151, 142177185), (453, 47392395), (755, 28435437), (997, 21533355), (1359, 15797465), (2265, 9478479), (2991, 7177785), (3169, 6774615), (4985, 4306671), (6795, 3159493), (8973, 2392595), (9507, 2258205), (14955, 1435557), (15845, 1354923), (28521, 752735), (44865, 478519), (47535, 451641), (142605, 150547)]