21517017632

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{39979}}^1$

素因数の和:40150

約数の個数: 72

約数和(自身を含む): 46898938800

約数和(自身を除く): 25381921168

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 139, 176, 242, 278, 352, 484, 556, 968, 1112, 1529, 1936, 2224, 3058, 3872, 4448, 6116, 12232, 16819, 24464, 33638, 39979, 48928, 67276, 79958, 134552, 159916, 269104, 319832, 439769, 538208, 639664, 879538, 1279328, 1759076, 3518152, 4837459, 5557081, 7036304, 9674918, 11114162, 14072608, 19349836, 22228324, 38699672, 44456648, 61127891, 77399344, 88913296, 122255782, 154798688, 177826592, 244511564, 489023128, 672406801, 978046256, 1344813602, 1956092512, 2689627204, 5379254408, 10758508816, 21517017632]

約数ペア:

[(1, 21517017632), (2, 10758508816), (4, 5379254408), (8, 2689627204), (11, 1956092512), (16, 1344813602), (22, 978046256), (32, 672406801), (44, 489023128), (88, 244511564), (121, 177826592), (139, 154798688), (176, 122255782), (242, 88913296), (278, 77399344), (352, 61127891), (484, 44456648), (556, 38699672), (968, 22228324), (1112, 19349836), (1529, 14072608), (1936, 11114162), (2224, 9674918), (3058, 7036304), (3872, 5557081), (4448, 4837459), (6116, 3518152), (12232, 1759076), (16819, 1279328), (24464, 879538), (33638, 639664), (39979, 538208), (48928, 439769), (67276, 319832), (79958, 269104), (134552, 159916)]