21626924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 45269280

約数和(自身を除く): 23642356

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 44, 58, 68, 116, 187, 319, 374, 493, 638, 748, 986, 997, 1276, 1972, 1994, 3988, 5423, 10846, 10967, 16949, 21692, 21934, 28913, 33898, 43868, 57826, 67796, 115652, 186439, 318043, 372878, 491521, 636086, 745756, 983042, 1272172, 1966084, 5406731, 10813462, 21626924]

約数ペア:

[(1, 21626924), (2, 10813462), (4, 5406731), (11, 1966084), (17, 1272172), (22, 983042), (29, 745756), (34, 636086), (44, 491521), (58, 372878), (68, 318043), (116, 186439), (187, 115652), (319, 67796), (374, 57826), (493, 43868), (638, 33898), (748, 28913), (986, 21934), (997, 21692), (1276, 16949), (1972, 10967), (1994, 10846), (3988, 5423)]