21205902094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{15121}}^1\times {\mathrm{53939}}^1$

素因数の和:69075

約数の個数: 16

約数和(自身を含む): 34258588560

約数和(自身を除く): 13052686466

約数列:

[1, 2, 13, 26, 15121, 30242, 53939, 107878, 196573, 393146, 701207, 1402414, 815611619, 1631223238, 10602951047, 21205902094]

約数ペア:

[(1, 21205902094), (2, 10602951047), (13, 1631223238), (26, 815611619), (15121, 1402414), (30242, 701207), (53939, 393146), (107878, 196573)]