21809499

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 29955744

約数和(自身を除く): 8146245

約数列:

[1, 3, 41, 123, 233, 699, 761, 2283, 9553, 28659, 31201, 93603, 177313, 531939, 7269833, 21809499]

約数ペア:

[(1, 21809499), (3, 7269833), (41, 531939), (123, 177313), (233, 93603), (699, 31201), (761, 28659), (2283, 9553)]