21507332

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69829}}^1$

素因数の和:69851

約数の個数: 24

約数和(自身を含む): 46925760

約数和(自身を除く): 25418428

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69829, 139658, 279316, 488803, 768119, 977606, 1536238, 1955212, 3072476, 5376833, 10753666, 21507332]

約数ペア:

[(1, 21507332), (2, 10753666), (4, 5376833), (7, 3072476), (11, 1955212), (14, 1536238), (22, 977606), (28, 768119), (44, 488803), (77, 279316), (154, 139658), (308, 69829)]