21322794

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 26888406

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 61, 69, 102, 122, 138, 149, 183, 298, 366, 391, 447, 782, 894, 1037, 1173, 1403, 2074, 2346, 2533, 2806, 3111, 3427, 4209, 5066, 6222, 6854, 7599, 8418, 9089, 10281, 15198, 18178, 20562, 23851, 27267, 47702, 54534, 58259, 71553, 116518, 143106, 154513, 174777, 209047, 309026, 349554, 418094, 463539, 627141, 927078, 1254282, 3553799, 7107598, 10661397, 21322794]

約数ペア:

[(1, 21322794), (2, 10661397), (3, 7107598), (6, 3553799), (17, 1254282), (23, 927078), (34, 627141), (46, 463539), (51, 418094), (61, 349554), (69, 309026), (102, 209047), (122, 174777), (138, 154513), (149, 143106), (183, 116518), (298, 71553), (366, 58259), (391, 54534), (447, 47702), (782, 27267), (894, 23851), (1037, 20562), (1173, 18178), (1403, 15198), (2074, 10281), (2346, 9089), (2533, 8418), (2806, 7599), (3111, 6854), (3427, 6222), (4209, 5066)]