21974823

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3079}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 34754720

約数和(自身を除く): 12779897

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 3079, 7137, 9237, 27711, 40027, 120081, 187819, 360243, 563457, 1690371, 2441647, 7324941, 21974823]

約数ペア:

[(1, 21974823), (3, 7324941), (9, 2441647), (13, 1690371), (39, 563457), (61, 360243), (117, 187819), (183, 120081), (549, 40027), (793, 27711), (2379, 9237), (3079, 7137)]