21084701265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1\times {\mathrm{14731}}^1$

素因数の和:16630

約数の個数: 48

約数和(自身を含む): 38719938816

約数和(自身を除く): 17635237551

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1871, 5613, 9355, 14731, 16839, 28065, 31807, 44193, 73655, 84195, 95421, 132579, 159035, 220965, 250427, 286263, 477105, 662895, 751281, 1252135, 1431315, 2253843, 3756405, 11269215, 27561701, 82685103, 137808505, 248055309, 413425515, 468548917, 1240276545, 1405646751, 2342744585, 4216940253, 7028233755, 21084701265]

約数ペア:

[(1, 21084701265), (3, 7028233755), (5, 4216940253), (9, 2342744585), (15, 1405646751), (17, 1240276545), (45, 468548917), (51, 413425515), (85, 248055309), (153, 137808505), (255, 82685103), (765, 27561701), (1871, 11269215), (5613, 3756405), (9355, 2253843), (14731, 1431315), (16839, 1252135), (28065, 751281), (31807, 662895), (44193, 477105), (73655, 286263), (84195, 250427), (95421, 220965), (132579, 159035)]