21353920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9533}}^1$

素因数の和:9557

約数の個数: 56

約数和(自身を含む): 58119264

約数和(自身を除く): 36765344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9533, 19066, 38132, 47665, 66731, 76264, 95330, 133462, 152528, 190660, 266924, 305056, 333655, 381320, 533848, 610112, 667310, 762640, 1067696, 1334620, 1525280, 2135392, 2669240, 3050560, 4270784, 5338480, 10676960, 21353920]

約数ペア:

[(1, 21353920), (2, 10676960), (4, 5338480), (5, 4270784), (7, 3050560), (8, 2669240), (10, 2135392), (14, 1525280), (16, 1334620), (20, 1067696), (28, 762640), (32, 667310), (35, 610112), (40, 533848), (56, 381320), (64, 333655), (70, 305056), (80, 266924), (112, 190660), (140, 152528), (160, 133462), (224, 95330), (280, 76264), (320, 66731), (448, 47665), (560, 38132), (1120, 19066), (2240, 9533)]