21320568

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10211}}^1$

素因数の和:10252

約数の個数: 48

約数和(自身を含む): 59740200

約数和(自身を除く): 38419632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10211, 20422, 30633, 40844, 61266, 81688, 91899, 122532, 183798, 245064, 296119, 367596, 592238, 735192, 888357, 1184476, 1776714, 2368952, 2665071, 3553428, 5330142, 7106856, 10660284, 21320568]

約数ペア:

[(1, 21320568), (2, 10660284), (3, 7106856), (4, 5330142), (6, 3553428), (8, 2665071), (9, 2368952), (12, 1776714), (18, 1184476), (24, 888357), (29, 735192), (36, 592238), (58, 367596), (72, 296119), (87, 245064), (116, 183798), (174, 122532), (232, 91899), (261, 81688), (348, 61266), (522, 40844), (696, 30633), (1044, 20422), (2088, 10211)]