21861014

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 19113322

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2963, 3689, 5926, 7378, 20741, 41482, 50371, 91853, 100742, 183706, 352597, 642971, 705194, 1285942, 1561501, 3123002, 10930507, 21861014]

約数ペア:

[(1, 21861014), (2, 10930507), (7, 3123002), (14, 1561501), (17, 1285942), (31, 705194), (34, 642971), (62, 352597), (119, 183706), (217, 100742), (238, 91853), (434, 50371), (527, 41482), (1054, 20741), (2963, 7378), (3689, 5926)]