21224188

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 16878212

約数列:

[1, 2, 4, 59, 118, 139, 236, 278, 556, 647, 1294, 2588, 8201, 16402, 32804, 38173, 76346, 89933, 152692, 179866, 359732, 5306047, 10612094, 21224188]

約数ペア:

[(1, 21224188), (2, 10612094), (4, 5306047), (59, 359732), (118, 179866), (139, 152692), (236, 89933), (278, 76346), (556, 38173), (647, 32804), (1294, 16402), (2588, 8201)]