21786768

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7963}}^1$

素因数の和:7996

約数の個数: 60

約数和(自身を含む): 64189840

約数和(自身を除く): 42403072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7963, 15926, 23889, 31852, 47778, 63704, 71667, 95556, 127408, 143334, 151297, 191112, 286668, 302594, 382224, 453891, 573336, 605188, 907782, 1146672, 1210376, 1361673, 1815564, 2420752, 2723346, 3631128, 5446692, 7262256, 10893384, 21786768]

約数ペア:

[(1, 21786768), (2, 10893384), (3, 7262256), (4, 5446692), (6, 3631128), (8, 2723346), (9, 2420752), (12, 1815564), (16, 1361673), (18, 1210376), (19, 1146672), (24, 907782), (36, 605188), (38, 573336), (48, 453891), (57, 382224), (72, 302594), (76, 286668), (114, 191112), (144, 151297), (152, 143334), (171, 127408), (228, 95556), (304, 71667), (342, 63704), (456, 47778), (684, 31852), (912, 23889), (1368, 15926), (2736, 7963)]