21649624

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 42829920

約数和(自身を除く): 21180296

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 1213, 2231, 2426, 4462, 4852, 8924, 9704, 17848, 27899, 55798, 111596, 117661, 223192, 235322, 470644, 941288, 2706203, 5412406, 10824812, 21649624]

約数ペア:

[(1, 21649624), (2, 10824812), (4, 5412406), (8, 2706203), (23, 941288), (46, 470644), (92, 235322), (97, 223192), (184, 117661), (194, 111596), (388, 55798), (776, 27899), (1213, 17848), (2231, 9704), (2426, 8924), (4462, 4852)]