21860091

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 13909509

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 267, 297, 801, 827, 979, 2403, 2481, 2937, 7443, 8811, 9097, 22329, 26433, 27291, 73603, 81873, 220809, 245619, 662427, 809633, 1987281, 2428899, 7286697, 21860091]

約数ペア:

[(1, 21860091), (3, 7286697), (9, 2428899), (11, 1987281), (27, 809633), (33, 662427), (89, 245619), (99, 220809), (267, 81873), (297, 73603), (801, 27291), (827, 26433), (979, 22329), (2403, 9097), (2481, 8811), (2937, 7443)]