21473208

素因数分解:

$2^3\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1221

約数の個数: 64

約数和(自身を含む): 60372000

約数和(自身を除く): 38898792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 89, 108, 178, 216, 267, 356, 534, 712, 801, 1068, 1117, 1602, 2136, 2234, 2403, 3204, 3351, 4468, 4806, 6408, 6702, 8936, 9612, 10053, 13404, 19224, 20106, 26808, 30159, 40212, 60318, 80424, 99413, 120636, 198826, 241272, 298239, 397652, 596478, 795304, 894717, 1192956, 1789434, 2385912, 2684151, 3578868, 5368302, 7157736, 10736604, 21473208]

約数ペア:

[(1, 21473208), (2, 10736604), (3, 7157736), (4, 5368302), (6, 3578868), (8, 2684151), (9, 2385912), (12, 1789434), (18, 1192956), (24, 894717), (27, 795304), (36, 596478), (54, 397652), (72, 298239), (89, 241272), (108, 198826), (178, 120636), (216, 99413), (267, 80424), (356, 60318), (534, 40212), (712, 30159), (801, 26808), (1068, 20106), (1117, 19224), (1602, 13404), (2136, 10053), (2234, 9612), (2403, 8936), (3204, 6702), (3351, 6408), (4468, 4806)]