21064836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 36512124

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 47, 51, 52, 68, 78, 94, 102, 141, 156, 169, 188, 204, 221, 282, 338, 442, 507, 564, 611, 663, 676, 799, 884, 1014, 1222, 1326, 1598, 1833, 2028, 2197, 2397, 2444, 2652, 2873, 3196, 3666, 4394, 4794, 5746, 6591, 7332, 7943, 8619, 8788, 9588, 10387, 11492, 13182, 15886, 17238, 20774, 23829, 26364, 31161, 31772, 34476, 37349, 41548, 47658, 62322, 74698, 95316, 103259, 112047, 124644, 135031, 149396, 206518, 224094, 270062, 309777, 405093, 413036, 448188, 540124, 619554, 810186, 1239108, 1620372, 1755403, 3510806, 5266209, 7021612, 10532418, 21064836]

約数ペア:

[(1, 21064836), (2, 10532418), (3, 7021612), (4, 5266209), (6, 3510806), (12, 1755403), (13, 1620372), (17, 1239108), (26, 810186), (34, 619554), (39, 540124), (47, 448188), (51, 413036), (52, 405093), (68, 309777), (78, 270062), (94, 224094), (102, 206518), (141, 149396), (156, 135031), (169, 124644), (188, 112047), (204, 103259), (221, 95316), (282, 74698), (338, 62322), (442, 47658), (507, 41548), (564, 37349), (611, 34476), (663, 31772), (676, 31161), (799, 26364), (884, 23829), (1014, 20774), (1222, 17238), (1326, 15886), (1598, 13182), (1833, 11492), (2028, 10387), (2197, 9588), (2397, 8788), (2444, 8619), (2652, 7943), (2873, 7332), (3196, 6591), (3666, 5746), (4394, 4794)]