21083792

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1907}}^1$

素因数の和:2606

約数の個数: 20

約数和(自身を含む): 40930416

約数和(自身を除く): 19846624

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1907, 2764, 3814, 5528, 7628, 11056, 15256, 30512, 1317737, 2635474, 5270948, 10541896, 21083792]

約数ペア:

[(1, 21083792), (2, 10541896), (4, 5270948), (8, 2635474), (16, 1317737), (691, 30512), (1382, 15256), (1907, 11056), (2764, 7628), (3814, 5528)]