21364518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 30060762

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 61, 62, 93, 122, 183, 186, 217, 269, 366, 427, 434, 538, 651, 807, 854, 1281, 1302, 1614, 1883, 1891, 2562, 3766, 3782, 5649, 5673, 8339, 11298, 11346, 13237, 16409, 16678, 25017, 26474, 32818, 39711, 49227, 50034, 58373, 79422, 98454, 114863, 116746, 175119, 229726, 344589, 350238, 508679, 689178, 1017358, 1526037, 3052074, 3560753, 7121506, 10682259, 21364518]

約数ペア:

[(1, 21364518), (2, 10682259), (3, 7121506), (6, 3560753), (7, 3052074), (14, 1526037), (21, 1017358), (31, 689178), (42, 508679), (61, 350238), (62, 344589), (93, 229726), (122, 175119), (183, 116746), (186, 114863), (217, 98454), (269, 79422), (366, 58373), (427, 50034), (434, 49227), (538, 39711), (651, 32818), (807, 26474), (854, 25017), (1281, 16678), (1302, 16409), (1614, 13237), (1883, 11346), (1891, 11298), (2562, 8339), (3766, 5673), (3782, 5649)]