21884103640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11165359}}^1$

素因数の和:11165384

約数の個数: 48

約数和(自身を含む): 57278296800

約数和(自身を除く): 35394193160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 11165359, 22330718, 44661436, 55826795, 78157513, 89322872, 111653590, 156315026, 223307180, 312630052, 390787565, 446614360, 547102591, 625260104, 781575130, 1094205182, 1563150260, 2188410364, 2735512955, 3126300520, 4376820728, 5471025910, 10942051820, 21884103640]

約数ペア:

[(1, 21884103640), (2, 10942051820), (4, 5471025910), (5, 4376820728), (7, 3126300520), (8, 2735512955), (10, 2188410364), (14, 1563150260), (20, 1094205182), (28, 781575130), (35, 625260104), (40, 547102591), (49, 446614360), (56, 390787565), (70, 312630052), (98, 223307180), (140, 156315026), (196, 111653590), (245, 89322872), (280, 78157513), (392, 55826795), (490, 44661436), (980, 22330718), (1960, 11165359)]