21252476

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3739}}^1$

素因数の和:3786

約数の個数: 36

約数和(自身を含む): 44767800

約数和(自身を除く): 23515324

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3739, 5684, 7478, 14956, 26173, 52346, 104692, 108431, 183211, 216862, 366422, 433724, 732844, 759017, 1518034, 3036068, 5313119, 10626238, 21252476]

約数ペア:

[(1, 21252476), (2, 10626238), (4, 5313119), (7, 3036068), (14, 1518034), (28, 759017), (29, 732844), (49, 433724), (58, 366422), (98, 216862), (116, 183211), (196, 108431), (203, 104692), (406, 52346), (812, 26173), (1421, 14956), (2842, 7478), (3739, 5684)]