21882560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9769}}^1$

素因数の和:9793

約数の個数: 56

約数和(自身を含む): 59557920

約数和(自身を除く): 37675360

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, 9769, 19538, 39076, 48845, 68383, 78152, 97690, 136766, 156304, 195380, 273532, 312608, 341915, 390760, 547064, 625216, 683830, 781520, 1094128, 1367660, 1563040, 2188256, 2735320, 3126080, 4376512, 5470640, 10941280, 21882560]

約数ペア:

[(1, 21882560), (2, 10941280), (4, 5470640), (5, 4376512), (7, 3126080), (8, 2735320), (10, 2188256), (14, 1563040), (16, 1367660), (20, 1094128), (28, 781520), (32, 683830), (35, 625216), (40, 547064), (56, 390760), (64, 341915), (70, 312608), (80, 273532), (112, 195380), (140, 156304), (160, 136766), (224, 97690), (280, 78152), (320, 68383), (448, 48845), (560, 39076), (1120, 19538), (2240, 9769)]