21750988

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14657}}^1$

素因数の和:14721

約数の個数: 24

約数和(自身を含む): 44325792

約数和(自身を除く): 22574804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14657, 29314, 58628, 102599, 205198, 410396, 776821, 1553642, 3107284, 5437747, 10875494, 21750988]

約数ペア:

[(1, 21750988), (2, 10875494), (4, 5437747), (7, 3107284), (14, 1553642), (28, 776821), (53, 410396), (106, 205198), (212, 102599), (371, 58628), (742, 29314), (1484, 14657)]