21402156965

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3168343}}^1$

素因数の和:3168548

約数の個数: 16

約数和(自身を含む): 29503619328

約数和(自身を除く): 8101462363

約数列:

[1, 5, 7, 35, 193, 965, 1351, 6755, 3168343, 15841715, 22178401, 110892005, 611490199, 3057450995, 4280431393, 21402156965]

約数ペア:

[(1, 21402156965), (5, 4280431393), (7, 3057450995), (35, 611490199), (193, 110892005), (965, 22178401), (1351, 15841715), (6755, 3168343)]