21331568

素因数分解:

$2^4\times {\mathrm{59}}^2\times {\mathrm{383}}^1$

素因数の和:509

約数の個数: 30

約数和(自身を含む): 42152064

約数和(自身を除く): 20820496

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 383, 472, 766, 944, 1532, 3064, 3481, 6128, 6962, 13924, 22597, 27848, 45194, 55696, 90388, 180776, 361552, 1333223, 2666446, 5332892, 10665784, 21331568]

約数ペア:

[(1, 21331568), (2, 10665784), (4, 5332892), (8, 2666446), (16, 1333223), (59, 361552), (118, 180776), (236, 90388), (383, 55696), (472, 45194), (766, 27848), (944, 22597), (1532, 13924), (3064, 6962), (3481, 6128)]