21317744643

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1\times {\mathrm{27647}}^1$

素因数の和:28843

約数の個数: 32

約数和(自身を含む): 32439730176

約数和(自身を除く): 11121985533

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1163, 3489, 15119, 19771, 27647, 45357, 59313, 82941, 257023, 359411, 469999, 771069, 1078233, 1409997, 6109987, 18329961, 32153461, 96460383, 417994993, 546608837, 1253984979, 1639826511, 7105914881, 21317744643]

約数ペア:

[(1, 21317744643), (3, 7105914881), (13, 1639826511), (17, 1253984979), (39, 546608837), (51, 417994993), (221, 96460383), (663, 32153461), (1163, 18329961), (3489, 6109987), (15119, 1409997), (19771, 1078233), (27647, 771069), (45357, 469999), (59313, 359411), (82941, 257023)]