21125934

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2591

約数の個数: 48

約数和(自身を含む): 50280048

約数和(自身を除く): 29154114

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 918, 1377, 2557, 2754, 4131, 5114, 7671, 8262, 15342, 23013, 43469, 46026, 69039, 86938, 130407, 138078, 207117, 260814, 391221, 414234, 621351, 782442, 1173663, 1242702, 2347326, 3520989, 7041978, 10562967, 21125934]

約数ペア:

[(1, 21125934), (2, 10562967), (3, 7041978), (6, 3520989), (9, 2347326), (17, 1242702), (18, 1173663), (27, 782442), (34, 621351), (51, 414234), (54, 391221), (81, 260814), (102, 207117), (153, 138078), (162, 130407), (243, 86938), (306, 69039), (459, 46026), (486, 43469), (918, 23013), (1377, 15342), (2557, 8262), (2754, 7671), (4131, 5114)]