21849303

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 12696873

約数列:

[1, 3, 7, 21, 53, 67, 159, 201, 293, 371, 469, 879, 1113, 1407, 2051, 3551, 6153, 10653, 15529, 19631, 24857, 46587, 58893, 74571, 108703, 137417, 326109, 412251, 1040443, 3121329, 7283101, 21849303]

約数ペア:

[(1, 21849303), (3, 7283101), (7, 3121329), (21, 1040443), (53, 412251), (67, 326109), (159, 137417), (201, 108703), (293, 74571), (371, 58893), (469, 46587), (879, 24857), (1113, 19631), (1407, 15529), (2051, 10653), (3551, 6153)]