21418144

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 25284512

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 857, 1136, 1562, 1714, 2272, 3124, 3428, 6248, 6856, 9427, 12496, 13712, 18854, 24992, 27424, 37708, 60847, 75416, 121694, 150832, 243388, 301664, 486776, 669317, 973552, 1338634, 1947104, 2677268, 5354536, 10709072, 21418144]

約数ペア:

[(1, 21418144), (2, 10709072), (4, 5354536), (8, 2677268), (11, 1947104), (16, 1338634), (22, 973552), (32, 669317), (44, 486776), (71, 301664), (88, 243388), (142, 150832), (176, 121694), (284, 75416), (352, 60847), (568, 37708), (781, 27424), (857, 24992), (1136, 18854), (1562, 13712), (1714, 12496), (2272, 9427), (3124, 6856), (3428, 6248)]