21030933

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 14192619

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 503, 543, 1267, 1509, 1991, 3521, 3801, 5533, 5973, 10563, 13937, 16599, 38731, 41811, 91043, 116193, 273129, 637301, 1001473, 1911903, 3004419, 7010311, 21030933]

約数ペア:

[(1, 21030933), (3, 7010311), (7, 3004419), (11, 1911903), (21, 1001473), (33, 637301), (77, 273129), (181, 116193), (231, 91043), (503, 41811), (543, 38731), (1267, 16599), (1509, 13937), (1991, 10563), (3521, 5973), (3801, 5533)]