21516320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19211}}^1$

素因数の和:19233

約数の個数: 48

約数和(自身を含む): 58097088

約数和(自身を除く): 36580768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19211, 38422, 76844, 96055, 134477, 153688, 192110, 268954, 307376, 384220, 537908, 614752, 672385, 768440, 1075816, 1344770, 1536880, 2151632, 2689540, 3073760, 4303264, 5379080, 10758160, 21516320]

約数ペア:

[(1, 21516320), (2, 10758160), (4, 5379080), (5, 4303264), (7, 3073760), (8, 2689540), (10, 2151632), (14, 1536880), (16, 1344770), (20, 1075816), (28, 768440), (32, 672385), (35, 614752), (40, 537908), (56, 384220), (70, 307376), (80, 268954), (112, 192110), (140, 153688), (160, 134477), (224, 96055), (280, 76844), (560, 38422), (1120, 19211)]