21170508

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 52716384

約数和(自身を除く): 31545876

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 157, 204, 314, 471, 628, 661, 942, 1322, 1884, 1983, 2644, 2669, 3966, 5338, 7932, 8007, 10676, 11237, 16014, 22474, 32028, 33711, 44948, 67422, 103777, 134844, 207554, 311331, 415108, 622662, 1245324, 1764209, 3528418, 5292627, 7056836, 10585254, 21170508]

約数ペア:

[(1, 21170508), (2, 10585254), (3, 7056836), (4, 5292627), (6, 3528418), (12, 1764209), (17, 1245324), (34, 622662), (51, 415108), (68, 311331), (102, 207554), (157, 134844), (204, 103777), (314, 67422), (471, 44948), (628, 33711), (661, 32028), (942, 22474), (1322, 16014), (1884, 11237), (1983, 10676), (2644, 8007), (2669, 7932), (3966, 5338)]