21071088

素因数分解:

$2^4\times 3^2\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1262

約数の個数: 60

約数和(自身を含む): 59473128

約数和(自身を除く): 38402040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 131, 144, 262, 393, 524, 786, 1048, 1117, 1179, 1572, 2096, 2234, 2358, 3144, 3351, 4468, 4716, 6288, 6702, 8936, 9432, 10053, 13404, 17872, 18864, 20106, 26808, 40212, 53616, 80424, 146327, 160848, 292654, 438981, 585308, 877962, 1170616, 1316943, 1755924, 2341232, 2633886, 3511848, 5267772, 7023696, 10535544, 21071088]

約数ペア:

[(1, 21071088), (2, 10535544), (3, 7023696), (4, 5267772), (6, 3511848), (8, 2633886), (9, 2341232), (12, 1755924), (16, 1316943), (18, 1170616), (24, 877962), (36, 585308), (48, 438981), (72, 292654), (131, 160848), (144, 146327), (262, 80424), (393, 53616), (524, 40212), (786, 26808), (1048, 20106), (1117, 18864), (1179, 17872), (1572, 13404), (2096, 10053), (2234, 9432), (2358, 8936), (3144, 6702), (3351, 6288), (4468, 4716)]