21000388611

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1\times {\mathrm{55163}}^1$

素因数の和:56402

約数の個数: 16

約数和(自身を含む): 28273977216

約数和(自身を除く): 7273588605

約数列:

[1, 3, 113, 339, 1123, 3369, 55163, 126899, 165489, 380697, 6233419, 18700257, 61948049, 185844147, 7000129537, 21000388611]

約数ペア:

[(1, 21000388611), (3, 7000129537), (113, 185844147), (339, 61948049), (1123, 18700257), (3369, 6233419), (55163, 380697), (126899, 165489)]