21040936

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5147}}^1$

素因数の和:5233

約数の個数: 32

約数和(自身を含む): 45714240

約数和(自身を除く): 24673304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5147, 10294, 20588, 36029, 41176, 72058, 144116, 288232, 375731, 751462, 1502924, 2630117, 3005848, 5260234, 10520468, 21040936]

約数ペア:

[(1, 21040936), (2, 10520468), (4, 5260234), (7, 3005848), (8, 2630117), (14, 1502924), (28, 751462), (56, 375731), (73, 288232), (146, 144116), (292, 72058), (511, 41176), (584, 36029), (1022, 20588), (2044, 10294), (4088, 5147)]