21447468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85109}}^1$

素因数の和:85126

約数の個数: 36

約数和(自身を含む): 61960080

約数和(自身を除く): 40512612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85109, 170218, 255327, 340436, 510654, 595763, 765981, 1021308, 1191526, 1531962, 1787289, 2383052, 3063924, 3574578, 5361867, 7149156, 10723734, 21447468]

約数ペア:

[(1, 21447468), (2, 10723734), (3, 7149156), (4, 5361867), (6, 3574578), (7, 3063924), (9, 2383052), (12, 1787289), (14, 1531962), (18, 1191526), (21, 1021308), (28, 765981), (36, 595763), (42, 510654), (63, 340436), (84, 255327), (126, 170218), (252, 85109)]