21361760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19073}}^1$

素因数の和:19095

約数の個数: 48

約数和(自身を含む): 57679776

約数和(自身を除く): 36318016

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, 19073, 38146, 76292, 95365, 133511, 152584, 190730, 267022, 305168, 381460, 534044, 610336, 667555, 762920, 1068088, 1335110, 1525840, 2136176, 2670220, 3051680, 4272352, 5340440, 10680880, 21361760]

約数ペア:

[(1, 21361760), (2, 10680880), (4, 5340440), (5, 4272352), (7, 3051680), (8, 2670220), (10, 2136176), (14, 1525840), (16, 1335110), (20, 1068088), (28, 762920), (32, 667555), (35, 610336), (40, 534044), (56, 381460), (70, 305168), (80, 267022), (112, 190730), (140, 152584), (160, 133511), (224, 95365), (280, 76292), (560, 38146), (1120, 19073)]