21507090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65173}}^1$

素因数の和:65194

約数の個数: 32

約数和(自身を含む): 56310336

約数和(自身を除く): 34803246

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65173, 130346, 195519, 325865, 391038, 651730, 716903, 977595, 1433806, 1955190, 2150709, 3584515, 4301418, 7169030, 10753545, 21507090]

約数ペア:

[(1, 21507090), (2, 10753545), (3, 7169030), (5, 4301418), (6, 3584515), (10, 2150709), (11, 1955190), (15, 1433806), (22, 977595), (30, 716903), (33, 651730), (55, 391038), (66, 325865), (110, 195519), (165, 130346), (330, 65173)]