21697306775

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{190369}}^1$

素因数の和:190523

約数の個数: 24

約数和(自身を含む): 27760514880

約数和(自身を除く): 6063208105

約数列:

[1, 5, 25, 47, 97, 235, 485, 1175, 2425, 4559, 22795, 113975, 190369, 951845, 4759225, 8947343, 18465793, 44736715, 92328965, 223683575, 461644825, 867892271, 4339461355, 21697306775]

約数ペア:

[(1, 21697306775), (5, 4339461355), (25, 867892271), (47, 461644825), (97, 223683575), (235, 92328965), (485, 44736715), (1175, 18465793), (2425, 8947343), (4559, 4759225), (22795, 951845), (113975, 190369)]