21716448

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17401}}^1$

素因数の和:17427

約数の個数: 48

約数和(自身を含む): 61394256

約数和(自身を除く): 39677808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17401, 34802, 52203, 69604, 104406, 139208, 208812, 226213, 278416, 417624, 452426, 556832, 678639, 835248, 904852, 1357278, 1670496, 1809704, 2714556, 3619408, 5429112, 7238816, 10858224, 21716448]

約数ペア:

[(1, 21716448), (2, 10858224), (3, 7238816), (4, 5429112), (6, 3619408), (8, 2714556), (12, 1809704), (13, 1670496), (16, 1357278), (24, 904852), (26, 835248), (32, 678639), (39, 556832), (48, 452426), (52, 417624), (78, 278416), (96, 226213), (104, 208812), (156, 139208), (208, 104406), (312, 69604), (416, 52203), (624, 34802), (1248, 17401)]