21176910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:1970

約数の個数: 64

約数和(自身を含む): 57879360

約数和(自身を除く): 36702450

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, 1913, 2214, 3690, 3826, 5535, 5739, 9565, 11070, 11478, 17217, 19130, 28695, 34434, 51651, 57390, 78433, 86085, 103302, 156866, 172170, 235299, 258255, 392165, 470598, 516510, 705897, 784330, 1176495, 1411794, 2117691, 2352990, 3529485, 4235382, 7058970, 10588455, 21176910]

約数ペア:

[(1, 21176910), (2, 10588455), (3, 7058970), (5, 4235382), (6, 3529485), (9, 2352990), (10, 2117691), (15, 1411794), (18, 1176495), (27, 784330), (30, 705897), (41, 516510), (45, 470598), (54, 392165), (82, 258255), (90, 235299), (123, 172170), (135, 156866), (205, 103302), (246, 86085), (270, 78433), (369, 57390), (410, 51651), (615, 34434), (738, 28695), (1107, 19130), (1230, 17217), (1845, 11478), (1913, 11070), (2214, 9565), (3690, 5739), (3826, 5535)]