21865184280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20245541}}^1$

素因数の和:20245561

約数の個数: 64

約数和(自身を含む): 72883951200

約数和(自身を除く): 51018766920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20245541, 40491082, 60736623, 80982164, 101227705, 121473246, 161964328, 182209869, 202455410, 242946492, 303683115, 364419738, 404910820, 485892984, 546629607, 607366230, 728839476, 809821640, 911049345, 1093259214, 1214732460, 1457678952, 1822098690, 2186518428, 2429464920, 2733148035, 3644197380, 4373036856, 5466296070, 7288394760, 10932592140, 21865184280]

約数ペア:

[(1, 21865184280), (2, 10932592140), (3, 7288394760), (4, 5466296070), (5, 4373036856), (6, 3644197380), (8, 2733148035), (9, 2429464920), (10, 2186518428), (12, 1822098690), (15, 1457678952), (18, 1214732460), (20, 1093259214), (24, 911049345), (27, 809821640), (30, 728839476), (36, 607366230), (40, 546629607), (45, 485892984), (54, 404910820), (60, 364419738), (72, 303683115), (90, 242946492), (108, 202455410), (120, 182209869), (135, 161964328), (180, 121473246), (216, 101227705), (270, 80982164), (360, 60736623), (540, 40491082), (1080, 20245541)]