21602031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 11852049

約数列:

[1, 3, 11, 19, 33, 57, 131, 209, 263, 393, 627, 789, 1441, 2489, 2893, 4323, 4997, 7467, 8679, 14991, 27379, 34453, 54967, 82137, 103359, 164901, 378983, 654607, 1136949, 1963821, 7200677, 21602031]

約数ペア:

[(1, 21602031), (3, 7200677), (11, 1963821), (19, 1136949), (33, 654607), (57, 378983), (131, 164901), (209, 103359), (263, 82137), (393, 54967), (627, 34453), (789, 27379), (1441, 14991), (2489, 8679), (2893, 7467), (4323, 4997)]