21142992

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 60773888

約数和(自身を除く): 39630896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1093, 1209, 1488, 1612, 2186, 2418, 3224, 3279, 4372, 4836, 6448, 6558, 8744, 9672, 13116, 14209, 17488, 19344, 26232, 28418, 33883, 42627, 52464, 56836, 67766, 85254, 101649, 113672, 135532, 170508, 203298, 227344, 271064, 341016, 406596, 440479, 542128, 682032, 813192, 880958, 1321437, 1626384, 1761916, 2642874, 3523832, 5285748, 7047664, 10571496, 21142992]

約数ペア:

[(1, 21142992), (2, 10571496), (3, 7047664), (4, 5285748), (6, 3523832), (8, 2642874), (12, 1761916), (13, 1626384), (16, 1321437), (24, 880958), (26, 813192), (31, 682032), (39, 542128), (48, 440479), (52, 406596), (62, 341016), (78, 271064), (93, 227344), (104, 203298), (124, 170508), (156, 135532), (186, 113672), (208, 101649), (248, 85254), (312, 67766), (372, 56836), (403, 52464), (496, 42627), (624, 33883), (744, 28418), (806, 26232), (1093, 19344), (1209, 17488), (1488, 14209), (1612, 13116), (2186, 9672), (2418, 8744), (3224, 6558), (3279, 6448), (4372, 4836)]