21972002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7753}}^1$

素因数の和:7877

約数の個数: 16

約数和(自身を含む): 35823480

約数和(自身を除く): 13851478

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7753, 15506, 100789, 201578, 845077, 1690154, 10986001, 21972002]

約数ペア:

[(1, 21972002), (2, 10986001), (13, 1690154), (26, 845077), (109, 201578), (218, 100789), (1417, 15506), (2834, 7753)]