21806915962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1\times {\mathrm{769}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 36808611840

約数和(自身を除く): 15001695878

約数列:

[1, 2, 13, 26, 31, 62, 151, 233, 302, 403, 466, 769, 806, 1538, 1963, 3029, 3926, 4681, 6058, 7223, 9362, 9997, 14446, 19994, 23839, 35183, 47678, 60853, 70366, 93899, 116119, 121706, 179177, 187798, 232238, 309907, 358354, 457379, 619814, 914758, 1090673, 1509547, 2181346, 2329301, 3019094, 3599689, 4658602, 5554487, 7199378, 11108974, 14178749, 27055727, 28357498, 46795957, 54111454, 72208331, 93591914, 144416662, 351724451, 703448902, 838727537, 1677455074, 10903457981, 21806915962]

約数ペア:

[(1, 21806915962), (2, 10903457981), (13, 1677455074), (26, 838727537), (31, 703448902), (62, 351724451), (151, 144416662), (233, 93591914), (302, 72208331), (403, 54111454), (466, 46795957), (769, 28357498), (806, 27055727), (1538, 14178749), (1963, 11108974), (3029, 7199378), (3926, 5554487), (4681, 4658602), (6058, 3599689), (7223, 3019094), (9362, 2329301), (9997, 2181346), (14446, 1509547), (19994, 1090673), (23839, 914758), (35183, 619814), (47678, 457379), (60853, 358354), (70366, 309907), (93899, 232238), (116119, 187798), (121706, 179177)]