21073038

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 49398480

約数和(自身を除く): 28325442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 229, 294, 313, 458, 626, 687, 939, 1374, 1603, 1878, 2191, 3206, 4382, 4809, 6573, 9618, 11221, 13146, 15337, 22442, 30674, 33663, 46011, 67326, 71677, 92022, 143354, 215031, 430062, 501739, 1003478, 1505217, 3010434, 3512173, 7024346, 10536519, 21073038]

約数ペア:

[(1, 21073038), (2, 10536519), (3, 7024346), (6, 3512173), (7, 3010434), (14, 1505217), (21, 1003478), (42, 501739), (49, 430062), (98, 215031), (147, 143354), (229, 92022), (294, 71677), (313, 67326), (458, 46011), (626, 33663), (687, 30674), (939, 22442), (1374, 15337), (1603, 13146), (1878, 11221), (2191, 9618), (3206, 6573), (4382, 4809)]