21680346

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 45043200

約数和(自身を除く): 23362854

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 229, 458, 509, 687, 1018, 1374, 1527, 3054, 7099, 14198, 15779, 21297, 31558, 42594, 47337, 94674, 116561, 233122, 349683, 699366, 3613391, 7226782, 10840173, 21680346]

約数ペア:

[(1, 21680346), (2, 10840173), (3, 7226782), (6, 3613391), (31, 699366), (62, 349683), (93, 233122), (186, 116561), (229, 94674), (458, 47337), (509, 42594), (687, 31558), (1018, 21297), (1374, 15779), (1527, 14198), (3054, 7099)]