21919953

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 12698799

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 953, 1353, 2091, 2859, 7667, 10483, 16201, 23001, 31449, 39073, 48603, 117219, 178211, 429803, 534633, 664241, 1289409, 1992723, 7306651, 21919953]

約数ペア:

[(1, 21919953), (3, 7306651), (11, 1992723), (17, 1289409), (33, 664241), (41, 534633), (51, 429803), (123, 178211), (187, 117219), (451, 48603), (561, 39073), (697, 31449), (953, 23001), (1353, 16201), (2091, 10483), (2859, 7667)]