21199728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40151}}^1$

素因数の和:40173

約数の個数: 40

約数和(自身を含む): 59746176

約数和(自身を除く): 38546448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40151, 80302, 120453, 160604, 240906, 321208, 441661, 481812, 642416, 883322, 963624, 1324983, 1766644, 1927248, 2649966, 3533288, 5299932, 7066576, 10599864, 21199728]

約数ペア:

[(1, 21199728), (2, 10599864), (3, 7066576), (4, 5299932), (6, 3533288), (8, 2649966), (11, 1927248), (12, 1766644), (16, 1324983), (22, 963624), (24, 883322), (33, 642416), (44, 481812), (48, 441661), (66, 321208), (88, 240906), (132, 160604), (176, 120453), (264, 80302), (528, 40151)]