21031192

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4127}}^1$

素因数の和:4160

約数の個数: 48

約数和(自身を含む): 49412160

約数和(自身を除く): 28380968

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 4127, 5096, 8254, 16508, 28889, 33016, 53651, 57778, 107302, 115556, 202223, 214604, 231112, 375557, 404446, 429208, 751114, 808892, 1502228, 1617784, 2628899, 3004456, 5257798, 10515596, 21031192]

約数ペア:

[(1, 21031192), (2, 10515596), (4, 5257798), (7, 3004456), (8, 2628899), (13, 1617784), (14, 1502228), (26, 808892), (28, 751114), (49, 429208), (52, 404446), (56, 375557), (91, 231112), (98, 214604), (104, 202223), (182, 115556), (196, 107302), (364, 57778), (392, 53651), (637, 33016), (728, 28889), (1274, 16508), (2548, 8254), (4127, 5096)]