21342168

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15601}}^1$

素因数の和:15632

約数の個数: 48

約数和(自身を含む): 60847800

約数和(自身を除く): 39505632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15601, 31202, 46803, 62404, 93606, 124808, 140409, 187212, 280818, 296419, 374424, 561636, 592838, 889257, 1123272, 1185676, 1778514, 2371352, 2667771, 3557028, 5335542, 7114056, 10671084, 21342168]

約数ペア:

[(1, 21342168), (2, 10671084), (3, 7114056), (4, 5335542), (6, 3557028), (8, 2667771), (9, 2371352), (12, 1778514), (18, 1185676), (19, 1123272), (24, 889257), (36, 592838), (38, 561636), (57, 374424), (72, 296419), (76, 280818), (114, 187212), (152, 140409), (171, 124808), (228, 93606), (342, 62404), (456, 46803), (684, 31202), (1368, 15601)]