21098835

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24677}}^1$

素因数の和:24707

約数の個数: 24

約数和(自身を含む): 38497680

約数和(自身を除く): 17398845

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24677, 74031, 123385, 222093, 370155, 468863, 1110465, 1406589, 2344315, 4219767, 7032945, 21098835]

約数ペア:

[(1, 21098835), (3, 7032945), (5, 4219767), (9, 2344315), (15, 1406589), (19, 1110465), (45, 468863), (57, 370155), (95, 222093), (171, 123385), (285, 74031), (855, 24677)]