21103661854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{853}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 35912927232

約数和(自身を除く): 14809265378

約数列:

[1, 2, 11, 22, 47, 71, 94, 142, 337, 517, 674, 781, 853, 1034, 1562, 1706, 3337, 3707, 6674, 7414, 9383, 15839, 18766, 23927, 31678, 36707, 40091, 47854, 60563, 73414, 80182, 121126, 174229, 263197, 287461, 348458, 441001, 526394, 574922, 666193, 882002, 1124569, 1332386, 2249138, 2846461, 3162071, 5692922, 6324142, 12370259, 13510667, 20409731, 24740518, 27021334, 31311071, 40819462, 62622142, 148617337, 224507041, 297234674, 449014082, 959257357, 1918514714, 10551830927, 21103661854]

約数ペア:

[(1, 21103661854), (2, 10551830927), (11, 1918514714), (22, 959257357), (47, 449014082), (71, 297234674), (94, 224507041), (142, 148617337), (337, 62622142), (517, 40819462), (674, 31311071), (781, 27021334), (853, 24740518), (1034, 20409731), (1562, 13510667), (1706, 12370259), (3337, 6324142), (3707, 5692922), (6674, 3162071), (7414, 2846461), (9383, 2249138), (15839, 1332386), (18766, 1124569), (23927, 882002), (31678, 666193), (36707, 574922), (40091, 526394), (47854, 441001), (60563, 348458), (73414, 287461), (80182, 263197), (121126, 174229)]