21198581642

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8752511}}^1$

素因数の和:8752693

約数の個数: 16

約数和(自身を含む): 36550490112

約数和(自身を除く): 15351908470

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 8752511, 17505022, 61267577, 122535154, 1514184403, 3028368806, 10599290821, 21198581642]

約数ペア:

[(1, 21198581642), (2, 10599290821), (7, 3028368806), (14, 1514184403), (173, 122535154), (346, 61267577), (1211, 17505022), (2422, 8752511)]