21739198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1931}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 35216496

約数和(自身を除く): 13477298

約数列:

[1, 2, 13, 26, 433, 866, 1931, 3862, 5629, 11258, 25103, 50206, 836123, 1672246, 10869599, 21739198]

約数ペア:

[(1, 21739198), (2, 10869599), (13, 1672246), (26, 836123), (433, 50206), (866, 25103), (1931, 11258), (3862, 5629)]