21549411

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2749}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 34034000

約数和(自身を除く): 12484589

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 2749, 7839, 8247, 24741, 35737, 107211, 184183, 321633, 552549, 1657647, 2394379, 7183137, 21549411]

約数ペア:

[(1, 21549411), (3, 7183137), (9, 2394379), (13, 1657647), (39, 552549), (67, 321633), (117, 184183), (201, 107211), (603, 35737), (871, 24741), (2613, 8247), (2749, 7839)]