21244160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2371}}^1$

素因数の和:2399

約数の個数: 72

約数和(自身を含む): 58180416

約数和(自身を除く): 36936256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2371, 4480, 4742, 8960, 9484, 11855, 16597, 18968, 23710, 33194, 37936, 47420, 66388, 75872, 82985, 94840, 132776, 151744, 165970, 189680, 265552, 303488, 331940, 379360, 531104, 606976, 663880, 758720, 1062208, 1327760, 1517440, 2124416, 2655520, 3034880, 4248832, 5311040, 10622080, 21244160]

約数ペア:

[(1, 21244160), (2, 10622080), (4, 5311040), (5, 4248832), (7, 3034880), (8, 2655520), (10, 2124416), (14, 1517440), (16, 1327760), (20, 1062208), (28, 758720), (32, 663880), (35, 606976), (40, 531104), (56, 379360), (64, 331940), (70, 303488), (80, 265552), (112, 189680), (128, 165970), (140, 151744), (160, 132776), (224, 94840), (256, 82985), (280, 75872), (320, 66388), (448, 47420), (560, 37936), (640, 33194), (896, 23710), (1120, 18968), (1280, 16597), (1792, 11855), (2240, 9484), (2371, 8960), (4480, 4742)]