21252648

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 33905112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 83, 94, 141, 166, 188, 227, 249, 282, 332, 376, 454, 498, 564, 664, 681, 908, 996, 1128, 1362, 1816, 1992, 2724, 3901, 5448, 7802, 10669, 11703, 15604, 18841, 21338, 23406, 31208, 32007, 37682, 42676, 46812, 56523, 64014, 75364, 85352, 93624, 113046, 128028, 150728, 226092, 256056, 452184, 885527, 1771054, 2656581, 3542108, 5313162, 7084216, 10626324, 21252648]

約数ペア:

[(1, 21252648), (2, 10626324), (3, 7084216), (4, 5313162), (6, 3542108), (8, 2656581), (12, 1771054), (24, 885527), (47, 452184), (83, 256056), (94, 226092), (141, 150728), (166, 128028), (188, 113046), (227, 93624), (249, 85352), (282, 75364), (332, 64014), (376, 56523), (454, 46812), (498, 42676), (564, 37682), (664, 32007), (681, 31208), (908, 23406), (996, 21338), (1128, 18841), (1362, 15604), (1816, 11703), (1992, 10669), (2724, 7802), (3901, 5448)]