21244751658

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1780187}}^1$

素因数の和:1780228

約数の個数: 64

約数和(自身を含む): 53832885120

約数和(自身を除く): 32588133462

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1989, 3978, 5967, 11934, 1780187, 3560374, 5340561, 10681122, 16021683, 23142431, 30263179, 32043366, 46284862, 48065049, 60526358, 69427293, 90789537, 96130098, 138854586, 181579074, 208281879, 272368611, 393421327, 416563758, 544737222, 624845637, 786842654, 817105833, 1180263981, 1249691274, 1634211666, 2360527962, 3540791943, 7081583886, 10622375829, 21244751658]

約数ペア:

[(1, 21244751658), (2, 10622375829), (3, 7081583886), (6, 3540791943), (9, 2360527962), (13, 1634211666), (17, 1249691274), (18, 1180263981), (26, 817105833), (27, 786842654), (34, 624845637), (39, 544737222), (51, 416563758), (54, 393421327), (78, 272368611), (102, 208281879), (117, 181579074), (153, 138854586), (221, 96130098), (234, 90789537), (306, 69427293), (351, 60526358), (442, 48065049), (459, 46284862), (663, 32043366), (702, 30263179), (918, 23142431), (1326, 16021683), (1989, 10681122), (3978, 5340561), (5967, 3560374), (11934, 1780187)]