21944358

素因数分解:

$2^1\times 3^7\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 51364800

約数和(自身を除く): 29420442

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 173, 174, 243, 261, 346, 486, 519, 522, 729, 783, 1038, 1458, 1557, 1566, 2187, 2349, 3114, 4374, 4671, 4698, 5017, 7047, 9342, 10034, 14013, 14094, 15051, 21141, 28026, 30102, 42039, 42282, 45153, 63423, 84078, 90306, 126117, 126846, 135459, 252234, 270918, 378351, 406377, 756702, 812754, 1219131, 2438262, 3657393, 7314786, 10972179, 21944358]

約数ペア:

[(1, 21944358), (2, 10972179), (3, 7314786), (6, 3657393), (9, 2438262), (18, 1219131), (27, 812754), (29, 756702), (54, 406377), (58, 378351), (81, 270918), (87, 252234), (162, 135459), (173, 126846), (174, 126117), (243, 90306), (261, 84078), (346, 63423), (486, 45153), (519, 42282), (522, 42039), (729, 30102), (783, 28026), (1038, 21141), (1458, 15051), (1557, 14094), (1566, 14013), (2187, 10034), (2349, 9342), (3114, 7047), (4374, 5017), (4671, 4698)]