21339552

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17099}}^1$

素因数の和:17125

約数の個数: 48

約数和(自身を含む): 60328800

約数和(自身を除く): 38989248

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, 17099, 34198, 51297, 68396, 102594, 136792, 205188, 222287, 273584, 410376, 444574, 547168, 666861, 820752, 889148, 1333722, 1641504, 1778296, 2667444, 3556592, 5334888, 7113184, 10669776, 21339552]

約数ペア:

[(1, 21339552), (2, 10669776), (3, 7113184), (4, 5334888), (6, 3556592), (8, 2667444), (12, 1778296), (13, 1641504), (16, 1333722), (24, 889148), (26, 820752), (32, 666861), (39, 547168), (48, 444574), (52, 410376), (78, 273584), (96, 222287), (104, 205188), (156, 136792), (208, 102594), (312, 68396), (416, 51297), (624, 34198), (1248, 17099)]