21374584

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4957}}^1$

素因数の和:4988

約数の個数: 48

約数和(自身を含む): 50869080

約数和(自身を除く): 29494496

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4957, 9914, 19828, 34699, 39656, 54527, 69398, 109054, 138796, 218108, 242893, 277592, 381689, 436216, 485786, 763378, 971572, 1526756, 1943144, 2671823, 3053512, 5343646, 10687292, 21374584]

約数ペア:

[(1, 21374584), (2, 10687292), (4, 5343646), (7, 3053512), (8, 2671823), (11, 1943144), (14, 1526756), (22, 971572), (28, 763378), (44, 485786), (49, 436216), (56, 381689), (77, 277592), (88, 242893), (98, 218108), (154, 138796), (196, 109054), (308, 69398), (392, 54527), (539, 39656), (616, 34699), (1078, 19828), (2156, 9914), (4312, 4957)]