21624453

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 10873467

約数列:

[1, 3, 9, 31, 93, 179, 279, 433, 537, 1299, 1611, 3897, 5549, 13423, 16647, 40269, 49941, 77507, 120807, 232521, 697563, 2402717, 7208151, 21624453]

約数ペア:

[(1, 21624453), (3, 7208151), (9, 2402717), (31, 697563), (93, 232521), (179, 120807), (279, 77507), (433, 49941), (537, 40269), (1299, 16647), (1611, 13423), (3897, 5549)]