21082849425

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{258131}}^1$

素因数の和:258172

約数の個数: 72

約数和(自身を含む): 42571129440

約数和(自身を除く): 21488280015

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 121, 135, 165, 225, 275, 297, 363, 495, 605, 675, 825, 1089, 1485, 1815, 2475, 3025, 3267, 5445, 7425, 9075, 16335, 27225, 81675, 258131, 774393, 1290655, 2323179, 2839441, 3871965, 6453275, 6969537, 8518323, 11615895, 14197205, 19359825, 25554969, 31233851, 34847685, 42591615, 58079475, 70986025, 76664907, 93701553, 127774845, 156169255, 174238425, 212958075, 281104659, 383324535, 468507765, 638874225, 780846275, 843313977, 1405523295, 1916622675, 2342538825, 4216569885, 7027616475, 21082849425]

約数ペア:

[(1, 21082849425), (3, 7027616475), (5, 4216569885), (9, 2342538825), (11, 1916622675), (15, 1405523295), (25, 843313977), (27, 780846275), (33, 638874225), (45, 468507765), (55, 383324535), (75, 281104659), (99, 212958075), (121, 174238425), (135, 156169255), (165, 127774845), (225, 93701553), (275, 76664907), (297, 70986025), (363, 58079475), (495, 42591615), (605, 34847685), (675, 31233851), (825, 25554969), (1089, 19359825), (1485, 14197205), (1815, 11615895), (2475, 8518323), (3025, 6969537), (3267, 6453275), (5445, 3871965), (7425, 2839441), (9075, 2323179), (16335, 1290655), (27225, 774393), (81675, 258131)]