21397110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101891}}^1$

素因数の和:101908

約数の個数: 32

約数和(自身を含む): 58689792

約数和(自身を除く): 37292682

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101891, 203782, 305673, 509455, 611346, 713237, 1018910, 1426474, 1528365, 2139711, 3056730, 3566185, 4279422, 7132370, 10698555, 21397110]

約数ペア:

[(1, 21397110), (2, 10698555), (3, 7132370), (5, 4279422), (6, 3566185), (7, 3056730), (10, 2139711), (14, 1528365), (15, 1426474), (21, 1018910), (30, 713237), (35, 611346), (42, 509455), (70, 305673), (105, 203782), (210, 101891)]