21391392

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 41314272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 47, 48, 66, 88, 94, 96, 132, 141, 176, 188, 264, 282, 352, 376, 431, 517, 528, 564, 752, 862, 1034, 1056, 1128, 1293, 1504, 1551, 1724, 2068, 2256, 2586, 3102, 3448, 4136, 4512, 4741, 5172, 6204, 6896, 8272, 9482, 10344, 12408, 13792, 14223, 16544, 18964, 20257, 20688, 24816, 28446, 37928, 40514, 41376, 49632, 56892, 60771, 75856, 81028, 113784, 121542, 151712, 162056, 222827, 227568, 243084, 324112, 445654, 455136, 486168, 648224, 668481, 891308, 972336, 1336962, 1782616, 1944672, 2673924, 3565232, 5347848, 7130464, 10695696, 21391392]

約数ペア:

[(1, 21391392), (2, 10695696), (3, 7130464), (4, 5347848), (6, 3565232), (8, 2673924), (11, 1944672), (12, 1782616), (16, 1336962), (22, 972336), (24, 891308), (32, 668481), (33, 648224), (44, 486168), (47, 455136), (48, 445654), (66, 324112), (88, 243084), (94, 227568), (96, 222827), (132, 162056), (141, 151712), (176, 121542), (188, 113784), (264, 81028), (282, 75856), (352, 60771), (376, 56892), (431, 49632), (517, 41376), (528, 40514), (564, 37928), (752, 28446), (862, 24816), (1034, 20688), (1056, 20257), (1128, 18964), (1293, 16544), (1504, 14223), (1551, 13792), (1724, 12408), (2068, 10344), (2256, 9482), (2586, 8272), (3102, 6896), (3448, 6204), (4136, 5172), (4512, 4741)]