21316036

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4253}}^1$

素因数の和:4443

約数の個数: 24

約数和(自身を含む): 42880320

約数和(自身を除く): 21564284

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4253, 5012, 8506, 17012, 29771, 59542, 119084, 761287, 1522574, 3045148, 5329009, 10658018, 21316036]

約数ペア:

[(1, 21316036), (2, 10658018), (4, 5329009), (7, 3045148), (14, 1522574), (28, 761287), (179, 119084), (358, 59542), (716, 29771), (1253, 17012), (2506, 8506), (4253, 5012)]