21037386

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 43524288

約数和(自身を除く): 22486902

約数列:

[1, 2, 3, 6, 37, 74, 111, 193, 222, 386, 491, 579, 982, 1158, 1473, 2946, 7141, 14282, 18167, 21423, 36334, 42846, 54501, 94763, 109002, 189526, 284289, 568578, 3506231, 7012462, 10518693, 21037386]

約数ペア:

[(1, 21037386), (2, 10518693), (3, 7012462), (6, 3506231), (37, 568578), (74, 284289), (111, 189526), (193, 109002), (222, 94763), (386, 54501), (491, 42846), (579, 36334), (982, 21423), (1158, 18167), (1473, 14282), (2946, 7141)]