21929768

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4957}}^1$

素因数の和:5049

約数の個数: 32

約数和(自身を含む): 47596800

約数和(自身を除く): 25667032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4957, 9914, 19828, 34699, 39656, 69398, 138796, 277592, 391603, 783206, 1566412, 2741221, 3132824, 5482442, 10964884, 21929768]

約数ペア:

[(1, 21929768), (2, 10964884), (4, 5482442), (7, 3132824), (8, 2741221), (14, 1566412), (28, 783206), (56, 391603), (79, 277592), (158, 138796), (316, 69398), (553, 39656), (632, 34699), (1106, 19828), (2212, 9914), (4424, 4957)]