21900928

素因数分解:

$2^7\times 7^1\times {\mathrm{24443}}^1$

素因数の和:24464

約数の個数: 32

約数和(自身を含む): 49865760

約数和(自身を除く): 27964832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 24443, 48886, 97772, 171101, 195544, 342202, 391088, 684404, 782176, 1368808, 1564352, 2737616, 3128704, 5475232, 10950464, 21900928]

約数ペア:

[(1, 21900928), (2, 10950464), (4, 5475232), (7, 3128704), (8, 2737616), (14, 1564352), (16, 1368808), (28, 782176), (32, 684404), (56, 391088), (64, 342202), (112, 195544), (128, 171101), (224, 97772), (448, 48886), (896, 24443)]