21256014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9397}}^1$

素因数の和:9444

約数の個数: 32

約数和(自身を含む): 47365920

約数和(自身を除く): 26109906

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9397, 18794, 28191, 56382, 122161, 244322, 272513, 366483, 545026, 732966, 817539, 1635078, 3542669, 7085338, 10628007, 21256014]

約数ペア:

[(1, 21256014), (2, 10628007), (3, 7085338), (6, 3542669), (13, 1635078), (26, 817539), (29, 732966), (39, 545026), (58, 366483), (78, 272513), (87, 244322), (174, 122161), (377, 56382), (754, 28191), (1131, 18794), (2262, 9397)]