21327390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 42882210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 97, 105, 126, 194, 210, 291, 315, 349, 485, 582, 630, 679, 698, 873, 970, 1047, 1358, 1455, 1745, 1746, 2037, 2094, 2443, 2910, 3141, 3395, 3490, 4074, 4365, 4886, 5235, 6111, 6282, 6790, 7329, 8730, 10185, 10470, 12215, 12222, 14658, 15705, 20370, 21987, 24430, 30555, 31410, 33853, 36645, 43974, 61110, 67706, 73290, 101559, 109935, 169265, 203118, 219870, 236971, 304677, 338530, 473942, 507795, 609354, 710913, 1015590, 1184855, 1421826, 1523385, 2132739, 2369710, 3046770, 3554565, 4265478, 7109130, 10663695, 21327390]

約数ペア:

[(1, 21327390), (2, 10663695), (3, 7109130), (5, 4265478), (6, 3554565), (7, 3046770), (9, 2369710), (10, 2132739), (14, 1523385), (15, 1421826), (18, 1184855), (21, 1015590), (30, 710913), (35, 609354), (42, 507795), (45, 473942), (63, 338530), (70, 304677), (90, 236971), (97, 219870), (105, 203118), (126, 169265), (194, 109935), (210, 101559), (291, 73290), (315, 67706), (349, 61110), (485, 43974), (582, 36645), (630, 33853), (679, 31410), (698, 30555), (873, 24430), (970, 21987), (1047, 20370), (1358, 15705), (1455, 14658), (1745, 12222), (1746, 12215), (2037, 10470), (2094, 10185), (2443, 8730), (2910, 7329), (3141, 6790), (3395, 6282), (3490, 6111), (4074, 5235), (4365, 4886)]