21851551137

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{107357}}^1$

素因数の和:107697

約数の個数: 32

約数和(自身を含む): 33330794112

約数和(自身を除く): 11479242975

約数列:

[1, 3, 13, 17, 39, 51, 221, 307, 663, 921, 3991, 5219, 11973, 15657, 67847, 107357, 203541, 322071, 1395641, 1825069, 4186923, 5475207, 23725897, 32958599, 71177691, 98875797, 428461787, 560296183, 1285385361, 1680888549, 7283850379, 21851551137]

約数ペア:

[(1, 21851551137), (3, 7283850379), (13, 1680888549), (17, 1285385361), (39, 560296183), (51, 428461787), (221, 98875797), (307, 71177691), (663, 32958599), (921, 23725897), (3991, 5475207), (5219, 4186923), (11973, 1825069), (15657, 1395641), (67847, 322071), (107357, 203541)]