21509454

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3457}}^1$

素因数の和:3540

約数の個数: 32

約数和(自身を含む): 46309536

約数和(自身を除く): 24800082

約数列:

[1, 2, 3, 6, 17, 34, 51, 61, 102, 122, 183, 366, 1037, 2074, 3111, 3457, 6222, 6914, 10371, 20742, 58769, 117538, 176307, 210877, 352614, 421754, 632631, 1265262, 3584909, 7169818, 10754727, 21509454]

約数ペア:

[(1, 21509454), (2, 10754727), (3, 7169818), (6, 3584909), (17, 1265262), (34, 632631), (51, 421754), (61, 352614), (102, 210877), (122, 176307), (183, 117538), (366, 58769), (1037, 20742), (2074, 10371), (3111, 6914), (3457, 6222)]