21573412

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5171}}^1$

素因数の和:5331

約数の個数: 24

約数和(自身を含む): 43444800

約数和(自身を除く): 21871388

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5171, 10342, 20684, 36197, 72394, 144788, 770479, 1540958, 3081916, 5393353, 10786706, 21573412]

約数ペア:

[(1, 21573412), (2, 10786706), (4, 5393353), (7, 3081916), (14, 1540958), (28, 770479), (149, 144788), (298, 72394), (596, 36197), (1043, 20684), (2086, 10342), (4172, 5171)]