21032924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 42806400

約数和(自身を除く): 21773476

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 139, 181, 209, 278, 362, 418, 556, 724, 836, 1529, 1991, 2641, 3058, 3439, 3982, 5282, 6116, 6878, 7964, 10564, 13756, 25159, 29051, 37829, 50318, 58102, 75658, 100636, 116204, 151316, 276749, 478021, 553498, 956042, 1106996, 1912084, 5258231, 10516462, 21032924]

約数ペア:

[(1, 21032924), (2, 10516462), (4, 5258231), (11, 1912084), (19, 1106996), (22, 956042), (38, 553498), (44, 478021), (76, 276749), (139, 151316), (181, 116204), (209, 100636), (278, 75658), (362, 58102), (418, 50318), (556, 37829), (724, 29051), (836, 25159), (1529, 13756), (1991, 10564), (2641, 7964), (3058, 6878), (3439, 6116), (3982, 5282)]