21191116

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 37767744

約数和(自身を除く): 16576628

約数列:

[1, 2, 4, 113, 173, 226, 271, 346, 452, 542, 692, 1084, 19549, 30623, 39098, 46883, 61246, 78196, 93766, 122492, 187532, 5297779, 10595558, 21191116]

約数ペア:

[(1, 21191116), (2, 10595558), (4, 5297779), (113, 187532), (173, 122492), (226, 93766), (271, 78196), (346, 61246), (452, 46883), (542, 39098), (692, 30623), (1084, 19549)]