21547116

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20639}}^1$

素因数の和:20678

約数の個数: 36

約数和(自身を含む): 56347200

約数和(自身を除く): 34800084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20639, 41278, 61917, 82556, 123834, 185751, 247668, 371502, 598531, 743004, 1197062, 1795593, 2394124, 3591186, 5386779, 7182372, 10773558, 21547116]

約数ペア:

[(1, 21547116), (2, 10773558), (3, 7182372), (4, 5386779), (6, 3591186), (9, 2394124), (12, 1795593), (18, 1197062), (29, 743004), (36, 598531), (58, 371502), (87, 247668), (116, 185751), (174, 123834), (261, 82556), (348, 61917), (522, 41278), (1044, 20639)]