21519176

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2579}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 46440000

約数和(自身を除く): 24920824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2579, 4172, 5158, 8344, 10316, 18053, 20632, 36106, 72212, 144424, 384271, 768542, 1537084, 2689897, 3074168, 5379794, 10759588, 21519176]

約数ペア:

[(1, 21519176), (2, 10759588), (4, 5379794), (7, 3074168), (8, 2689897), (14, 1537084), (28, 768542), (56, 384271), (149, 144424), (298, 72212), (596, 36106), (1043, 20632), (1192, 18053), (2086, 10316), (2579, 8344), (4172, 5158)]