21294642

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 48833280

約数和(自身を除く): 27538638

約数列:

[1, 2, 3, 6, 17, 23, 29, 34, 46, 51, 58, 69, 87, 102, 138, 174, 313, 391, 493, 626, 667, 782, 939, 986, 1173, 1334, 1479, 1878, 2001, 2346, 2958, 4002, 5321, 7199, 9077, 10642, 11339, 14398, 15963, 18154, 21597, 22678, 27231, 31926, 34017, 43194, 54462, 68034, 122383, 154309, 208771, 244766, 308618, 367149, 417542, 462927, 626313, 734298, 925854, 1252626, 3549107, 7098214, 10647321, 21294642]

約数ペア:

[(1, 21294642), (2, 10647321), (3, 7098214), (6, 3549107), (17, 1252626), (23, 925854), (29, 734298), (34, 626313), (46, 462927), (51, 417542), (58, 367149), (69, 308618), (87, 244766), (102, 208771), (138, 154309), (174, 122383), (313, 68034), (391, 54462), (493, 43194), (626, 34017), (667, 31926), (782, 27231), (939, 22678), (986, 21597), (1173, 18154), (1334, 15963), (1479, 14398), (1878, 11339), (2001, 10642), (2346, 9077), (2958, 7199), (4002, 5321)]