21377568

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{13099}}^1$

素因数の和:13129

約数の個数: 48

約数和(自身を含む): 59421600

約数和(自身を除く): 38044032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 13099, 26198, 39297, 52396, 78594, 104792, 157188, 209584, 222683, 314376, 419168, 445366, 628752, 668049, 890732, 1257504, 1336098, 1781464, 2672196, 3562928, 5344392, 7125856, 10688784, 21377568]

約数ペア:

[(1, 21377568), (2, 10688784), (3, 7125856), (4, 5344392), (6, 3562928), (8, 2672196), (12, 1781464), (16, 1336098), (17, 1257504), (24, 890732), (32, 668049), (34, 628752), (48, 445366), (51, 419168), (68, 314376), (96, 222683), (102, 209584), (136, 157188), (204, 104792), (272, 78594), (408, 52396), (544, 39297), (816, 26198), (1632, 13099)]