16921836

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 45287424

約数和(自身を除く): 28365588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 107, 138, 191, 207, 214, 276, 321, 382, 414, 428, 573, 642, 764, 828, 963, 1146, 1284, 1719, 1926, 2292, 2461, 3438, 3852, 4393, 4922, 6876, 7383, 8786, 9844, 13179, 14766, 17572, 20437, 22149, 26358, 29532, 39537, 40874, 44298, 52716, 61311, 79074, 81748, 88596, 122622, 158148, 183933, 245244, 367866, 470051, 735732, 940102, 1410153, 1880204, 2820306, 4230459, 5640612, 8460918, 16921836]

約数ペア:

[(1, 16921836), (2, 8460918), (3, 5640612), (4, 4230459), (6, 2820306), (9, 1880204), (12, 1410153), (18, 940102), (23, 735732), (36, 470051), (46, 367866), (69, 245244), (92, 183933), (107, 158148), (138, 122622), (191, 88596), (207, 81748), (214, 79074), (276, 61311), (321, 52716), (382, 44298), (414, 40874), (428, 39537), (573, 29532), (642, 26358), (764, 22149), (828, 20437), (963, 17572), (1146, 14766), (1284, 13179), (1719, 9844), (1926, 8786), (2292, 7383), (2461, 6876), (3438, 4922), (3852, 4393)]