21881844

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31991}}^1$

素因数の和:32020

約数の個数: 36

約数和(自身を含む): 58225440

約数和(自身を除く): 36343596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31991, 63982, 95973, 127964, 191946, 287919, 383892, 575838, 607829, 1151676, 1215658, 1823487, 2431316, 3646974, 5470461, 7293948, 10940922, 21881844]

約数ペア:

[(1, 21881844), (2, 10940922), (3, 7293948), (4, 5470461), (6, 3646974), (9, 2431316), (12, 1823487), (18, 1215658), (19, 1151676), (36, 607829), (38, 575838), (57, 383892), (76, 287919), (114, 191946), (171, 127964), (228, 95973), (342, 63982), (684, 31991)]