21371826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9601}}^1$

素因数の和:9666

約数の個数: 32

約数和(自身を含む): 49776768

約数和(自身を除く): 28404942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9601, 19202, 28803, 57606, 67207, 134414, 201621, 403242, 508853, 1017706, 1526559, 3053118, 3561971, 7123942, 10685913, 21371826]

約数ペア:

[(1, 21371826), (2, 10685913), (3, 7123942), (6, 3561971), (7, 3053118), (14, 1526559), (21, 1017706), (42, 508853), (53, 403242), (106, 201621), (159, 134414), (318, 67207), (371, 57606), (742, 28803), (1113, 19202), (2226, 9601)]