21272563

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 23750496

約数和(自身を除く): 2477933

約数列:

[1, 13, 41, 107, 373, 533, 1391, 4387, 4849, 15293, 39911, 57031, 198809, 518843, 1636351, 21272563]

約数ペア:

[(1, 21272563), (13, 1636351), (41, 518843), (107, 198809), (373, 57031), (533, 39911), (1391, 15293), (4387, 4849)]