21565432

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3533}}^1$

素因数の和:3655

約数の個数: 32

約数和(自身を含む): 46648800

約数和(自身を除く): 25083368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3533, 6104, 7066, 14132, 24731, 28264, 49462, 98924, 197848, 385097, 770194, 1540388, 2695679, 3080776, 5391358, 10782716, 21565432]

約数ペア:

[(1, 21565432), (2, 10782716), (4, 5391358), (7, 3080776), (8, 2695679), (14, 1540388), (28, 770194), (56, 385097), (109, 197848), (218, 98924), (436, 49462), (763, 28264), (872, 24731), (1526, 14132), (3052, 7066), (3533, 6104)]