21052902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15877}}^1$

素因数の和:15912

約数の個数: 32

約数和(自身を含む): 48015072

約数和(自身を除く): 26962170

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15877, 31754, 47631, 95262, 206401, 269909, 412802, 539818, 619203, 809727, 1238406, 1619454, 3508817, 7017634, 10526451, 21052902]

約数ペア:

[(1, 21052902), (2, 10526451), (3, 7017634), (6, 3508817), (13, 1619454), (17, 1238406), (26, 809727), (34, 619203), (39, 539818), (51, 412802), (78, 269909), (102, 206401), (221, 95262), (442, 47631), (663, 31754), (1326, 15877)]