21090168

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 64396800

約数和(自身を除く): 43306632

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 31, 33, 36, 44, 62, 66, 72, 88, 93, 99, 124, 132, 186, 198, 248, 264, 279, 341, 372, 396, 558, 682, 744, 792, 859, 1023, 1116, 1364, 1718, 2046, 2232, 2577, 2728, 3069, 3436, 4092, 5154, 6138, 6872, 7731, 8184, 9449, 10308, 12276, 15462, 18898, 20616, 24552, 26629, 28347, 30924, 37796, 53258, 56694, 61848, 75592, 79887, 85041, 106516, 113388, 159774, 170082, 213032, 226776, 239661, 292919, 319548, 340164, 479322, 585838, 639096, 680328, 878757, 958644, 1171676, 1757514, 1917288, 2343352, 2636271, 3515028, 5272542, 7030056, 10545084, 21090168]

約数ペア:

[(1, 21090168), (2, 10545084), (3, 7030056), (4, 5272542), (6, 3515028), (8, 2636271), (9, 2343352), (11, 1917288), (12, 1757514), (18, 1171676), (22, 958644), (24, 878757), (31, 680328), (33, 639096), (36, 585838), (44, 479322), (62, 340164), (66, 319548), (72, 292919), (88, 239661), (93, 226776), (99, 213032), (124, 170082), (132, 159774), (186, 113388), (198, 106516), (248, 85041), (264, 79887), (279, 75592), (341, 61848), (372, 56694), (396, 53258), (558, 37796), (682, 30924), (744, 28347), (792, 26629), (859, 24552), (1023, 20616), (1116, 18898), (1364, 15462), (1718, 12276), (2046, 10308), (2232, 9449), (2577, 8184), (2728, 7731), (3069, 6872), (3436, 6138), (4092, 5154)]