21044946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 27943854

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 59, 78, 102, 118, 177, 221, 269, 354, 442, 538, 663, 767, 807, 1003, 1326, 1534, 1614, 2006, 2301, 3009, 3497, 4573, 4602, 6018, 6994, 9146, 10491, 13039, 13719, 15871, 20982, 26078, 27438, 31742, 39117, 47613, 59449, 78234, 95226, 118898, 178347, 206323, 269807, 356694, 412646, 539614, 618969, 809421, 1237938, 1618842, 3507491, 7014982, 10522473, 21044946]

約数ペア:

[(1, 21044946), (2, 10522473), (3, 7014982), (6, 3507491), (13, 1618842), (17, 1237938), (26, 809421), (34, 618969), (39, 539614), (51, 412646), (59, 356694), (78, 269807), (102, 206323), (118, 178347), (177, 118898), (221, 95226), (269, 78234), (354, 59449), (442, 47613), (538, 39117), (663, 31742), (767, 27438), (807, 26078), (1003, 20982), (1326, 15871), (1534, 13719), (1614, 13039), (2006, 10491), (2301, 9146), (3009, 6994), (3497, 6018), (4573, 4602)]