21069832

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 26622968

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 53, 56, 62, 106, 124, 212, 217, 229, 248, 371, 424, 434, 458, 742, 868, 916, 1484, 1603, 1643, 1736, 1832, 2968, 3206, 3286, 6412, 6572, 7099, 11501, 12137, 12824, 13144, 14198, 23002, 24274, 28396, 46004, 48548, 49693, 56792, 84959, 92008, 97096, 99386, 169918, 198772, 339836, 376247, 397544, 679672, 752494, 1504988, 2633729, 3009976, 5267458, 10534916, 21069832]

約数ペア:

[(1, 21069832), (2, 10534916), (4, 5267458), (7, 3009976), (8, 2633729), (14, 1504988), (28, 752494), (31, 679672), (53, 397544), (56, 376247), (62, 339836), (106, 198772), (124, 169918), (212, 99386), (217, 97096), (229, 92008), (248, 84959), (371, 56792), (424, 49693), (434, 48548), (458, 46004), (742, 28396), (868, 24274), (916, 23002), (1484, 14198), (1603, 13144), (1643, 12824), (1736, 12137), (1832, 11501), (2968, 7099), (3206, 6572), (3286, 6412)]