21991881720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{221603}}^1$

素因数の和:222444

約数の個数: 64

約数和(自身を含む): 66055720320

約数和(自身を除く): 44063838600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 827, 1654, 2481, 3308, 4135, 4962, 6616, 8270, 9924, 12405, 16540, 19848, 24810, 33080, 49620, 99240, 221603, 443206, 664809, 886412, 1108015, 1329618, 1772824, 2216030, 2659236, 3324045, 4432060, 5318472, 6648090, 8864120, 13296180, 26592360, 183265681, 366531362, 549797043, 733062724, 916328405, 1099594086, 1466125448, 1832656810, 2199188172, 2748985215, 3665313620, 4398376344, 5497970430, 7330627240, 10995940860, 21991881720]

約数ペア:

[(1, 21991881720), (2, 10995940860), (3, 7330627240), (4, 5497970430), (5, 4398376344), (6, 3665313620), (8, 2748985215), (10, 2199188172), (12, 1832656810), (15, 1466125448), (20, 1099594086), (24, 916328405), (30, 733062724), (40, 549797043), (60, 366531362), (120, 183265681), (827, 26592360), (1654, 13296180), (2481, 8864120), (3308, 6648090), (4135, 5318472), (4962, 4432060), (6616, 3324045), (8270, 2659236), (9924, 2216030), (12405, 1772824), (16540, 1329618), (19848, 1108015), (24810, 886412), (33080, 664809), (49620, 443206), (99240, 221603)]