21175565619

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1613}}^1\times {\mathrm{19801}}^1$

素因数の和:21447

約数の個数: 32

約数和(自身を含む): 32216111424

約数和(自身を除く): 11040545805

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1613, 4839, 19801, 20969, 27421, 59403, 62907, 82263, 257413, 336617, 356473, 772239, 1009851, 1069419, 4376021, 13128063, 31939013, 95817039, 415207169, 542963221, 1245621507, 1628889663, 7058521873, 21175565619]

約数ペア:

[(1, 21175565619), (3, 7058521873), (13, 1628889663), (17, 1245621507), (39, 542963221), (51, 415207169), (221, 95817039), (663, 31939013), (1613, 13128063), (4839, 4376021), (19801, 1069419), (20969, 1009851), (27421, 772239), (59403, 356473), (62907, 336617), (82263, 257413)]