21907530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2036

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 37967670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 205, 246, 270, 369, 410, 615, 738, 1107, 1230, 1845, 1979, 2214, 3690, 3958, 5535, 5937, 9895, 11070, 11874, 17811, 19790, 29685, 35622, 53433, 59370, 81139, 89055, 106866, 162278, 178110, 243417, 267165, 405695, 486834, 534330, 730251, 811390, 1217085, 1460502, 2190753, 2434170, 3651255, 4381506, 7302510, 10953765, 21907530]

約数ペア:

[(1, 21907530), (2, 10953765), (3, 7302510), (5, 4381506), (6, 3651255), (9, 2434170), (10, 2190753), (15, 1460502), (18, 1217085), (27, 811390), (30, 730251), (41, 534330), (45, 486834), (54, 405695), (82, 267165), (90, 243417), (123, 178110), (135, 162278), (205, 106866), (246, 89055), (270, 81139), (369, 59370), (410, 53433), (615, 35622), (738, 29685), (1107, 19790), (1230, 17811), (1845, 11874), (1979, 11070), (2214, 9895), (3690, 5937), (3958, 5535)]