21969030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 55194048

約数和(自身を除く): 33225018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 53, 82, 106, 123, 159, 205, 246, 265, 318, 337, 410, 530, 615, 674, 795, 1011, 1230, 1590, 1685, 2022, 2173, 3370, 4346, 5055, 6519, 10110, 10865, 13038, 13817, 17861, 21730, 27634, 32595, 35722, 41451, 53583, 65190, 69085, 82902, 89305, 107166, 138170, 178610, 207255, 267915, 414510, 535830, 732301, 1464602, 2196903, 3661505, 4393806, 7323010, 10984515, 21969030]

約数ペア:

[(1, 21969030), (2, 10984515), (3, 7323010), (5, 4393806), (6, 3661505), (10, 2196903), (15, 1464602), (30, 732301), (41, 535830), (53, 414510), (82, 267915), (106, 207255), (123, 178610), (159, 138170), (205, 107166), (246, 89305), (265, 82902), (318, 69085), (337, 65190), (410, 53583), (530, 41451), (615, 35722), (674, 32595), (795, 27634), (1011, 21730), (1230, 17861), (1590, 13817), (1685, 13038), (2022, 10865), (2173, 10110), (3370, 6519), (4346, 5055)]