21384944

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4657}}^1$

素因数の和:4713

約数の個数: 40

約数和(自身を含む): 48517728

約数和(自身を除く): 27132784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4657, 9314, 18628, 32599, 37256, 65198, 74512, 130396, 190937, 260792, 381874, 521584, 763748, 1336559, 1527496, 2673118, 3054992, 5346236, 10692472, 21384944]

約数ペア:

[(1, 21384944), (2, 10692472), (4, 5346236), (7, 3054992), (8, 2673118), (14, 1527496), (16, 1336559), (28, 763748), (41, 521584), (56, 381874), (82, 260792), (112, 190937), (164, 130396), (287, 74512), (328, 65198), (574, 37256), (656, 32599), (1148, 18628), (2296, 9314), (4592, 4657)]