21909776

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3691}}^1$

素因数の和:3759

約数の個数: 40

約数和(自身を含む): 49443264

約数和(自身を除く): 27533488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3691, 5936, 7382, 14764, 25837, 29528, 51674, 59056, 103348, 195623, 206696, 391246, 413392, 782492, 1369361, 1564984, 2738722, 3129968, 5477444, 10954888, 21909776]

約数ペア:

[(1, 21909776), (2, 10954888), (4, 5477444), (7, 3129968), (8, 2738722), (14, 1564984), (16, 1369361), (28, 782492), (53, 413392), (56, 391246), (106, 206696), (112, 195623), (212, 103348), (371, 59056), (424, 51674), (742, 29528), (848, 25837), (1484, 14764), (2968, 7382), (3691, 5936)]