21075924

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 30573996

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 71, 87, 116, 142, 174, 213, 284, 348, 426, 852, 853, 1706, 2059, 2559, 3412, 4118, 5118, 6177, 8236, 10236, 12354, 24708, 24737, 49474, 60563, 74211, 98948, 121126, 148422, 181689, 242252, 296844, 363378, 726756, 1756327, 3512654, 5268981, 7025308, 10537962, 21075924]

約数ペア:

[(1, 21075924), (2, 10537962), (3, 7025308), (4, 5268981), (6, 3512654), (12, 1756327), (29, 726756), (58, 363378), (71, 296844), (87, 242252), (116, 181689), (142, 148422), (174, 121126), (213, 98948), (284, 74211), (348, 60563), (426, 49474), (852, 24737), (853, 24708), (1706, 12354), (2059, 10236), (2559, 8236), (3412, 6177), (4118, 5118)]