21525784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20231}}^1$

素因数の和:20263

約数の個数: 32

約数和(自身を含む): 48556800

約数和(自身を除く): 27031016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20231, 40462, 80924, 141617, 161848, 283234, 384389, 566468, 768778, 1132936, 1537556, 2690723, 3075112, 5381446, 10762892, 21525784]

約数ペア:

[(1, 21525784), (2, 10762892), (4, 5381446), (7, 3075112), (8, 2690723), (14, 1537556), (19, 1132936), (28, 768778), (38, 566468), (56, 384389), (76, 283234), (133, 161848), (152, 141617), (266, 80924), (532, 40462), (1064, 20231)]