21096138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10687}}^1$

素因数の和:10746

約数の個数: 32

約数和(自身を含む): 49250304

約数和(自身を除く): 28154166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10687, 21374, 32061, 64122, 74809, 149618, 224427, 448854, 502289, 1004578, 1506867, 3013734, 3516023, 7032046, 10548069, 21096138]

約数ペア:

[(1, 21096138), (2, 10548069), (3, 7032046), (6, 3516023), (7, 3013734), (14, 1506867), (21, 1004578), (42, 502289), (47, 448854), (94, 224427), (141, 149618), (282, 74809), (329, 64122), (658, 32061), (987, 21374), (1974, 10687)]