21508038

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20963}}^1$

素因数の和:20993

約数の個数: 32

約数和(自身を含む): 50313600

約数和(自身を除く): 28805562

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20963, 41926, 62889, 125778, 188667, 377334, 398297, 566001, 796594, 1132002, 1194891, 2389782, 3584673, 7169346, 10754019, 21508038]

約数ペア:

[(1, 21508038), (2, 10754019), (3, 7169346), (6, 3584673), (9, 2389782), (18, 1194891), (19, 1132002), (27, 796594), (38, 566001), (54, 398297), (57, 377334), (114, 188667), (171, 125778), (342, 62889), (513, 41926), (1026, 20963)]