21236320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 58399488

約数和(自身を除く): 37163168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 268, 280, 283, 335, 469, 536, 560, 566, 670, 938, 1072, 1120, 1132, 1340, 1415, 1876, 1981, 2144, 2264, 2345, 2680, 2830, 3752, 3962, 4528, 4690, 5360, 5660, 7504, 7924, 9056, 9380, 9905, 10720, 11320, 15008, 15848, 18760, 18961, 19810, 22640, 31696, 37520, 37922, 39620, 45280, 63392, 75040, 75844, 79240, 94805, 132727, 151688, 158480, 189610, 265454, 303376, 316960, 379220, 530908, 606752, 663635, 758440, 1061816, 1327270, 1516880, 2123632, 2654540, 3033760, 4247264, 5309080, 10618160, 21236320]

約数ペア:

[(1, 21236320), (2, 10618160), (4, 5309080), (5, 4247264), (7, 3033760), (8, 2654540), (10, 2123632), (14, 1516880), (16, 1327270), (20, 1061816), (28, 758440), (32, 663635), (35, 606752), (40, 530908), (56, 379220), (67, 316960), (70, 303376), (80, 265454), (112, 189610), (134, 158480), (140, 151688), (160, 132727), (224, 94805), (268, 79240), (280, 75844), (283, 75040), (335, 63392), (469, 45280), (536, 39620), (560, 37922), (566, 37520), (670, 31696), (938, 22640), (1072, 19810), (1120, 18961), (1132, 18760), (1340, 15848), (1415, 15008), (1876, 11320), (1981, 10720), (2144, 9905), (2264, 9380), (2345, 9056), (2680, 7924), (2830, 7504), (3752, 5660), (3962, 5360), (4528, 4690)]