21031915093

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{18661859}}^1$

素因数の和:18661896

約数の個数: 12

約数和(自身を含む): 25529424480

約数和(自身を除く): 4497509387

約数列:

[1, 7, 23, 49, 161, 1127, 18661859, 130633013, 429222757, 914431091, 3004559299, 21031915093]

約数ペア:

[(1, 21031915093), (7, 3004559299), (23, 914431091), (49, 429222757), (161, 130633013), (1127, 18661859)]