21709085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2633}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 27878256

約数和(自身を除く): 6169171

約数列:

[1, 5, 17, 85, 97, 485, 1649, 2633, 8245, 13165, 44761, 223805, 255401, 1277005, 4341817, 21709085]

約数ペア:

[(1, 21709085), (5, 4341817), (17, 1277005), (85, 255401), (97, 223805), (485, 44761), (1649, 13165), (2633, 8245)]