21965938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 37756800

約数和(自身を除く): 15790862

約数列:

[1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 919, 1258, 1406, 1838, 11951, 15623, 17461, 23902, 31246, 34003, 34922, 68006, 296837, 578051, 593674, 646057, 1156102, 1292114, 10982969, 21965938]

約数ペア:

[(1, 21965938), (2, 10982969), (17, 1292114), (19, 1156102), (34, 646057), (37, 593674), (38, 578051), (74, 296837), (323, 68006), (629, 34922), (646, 34003), (703, 31246), (919, 23902), (1258, 17461), (1406, 15623), (1838, 11951)]