21190128

素因数分解:

$2^4\times 3^1\times {\mathrm{441461}}^1$

素因数の和:441472

約数の個数: 20

約数和(自身を含む): 54741288

約数和(自身を除く): 33551160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 441461, 882922, 1324383, 1765844, 2648766, 3531688, 5297532, 7063376, 10595064, 21190128]

約数ペア:

[(1, 21190128), (2, 10595064), (3, 7063376), (4, 5297532), (6, 3531688), (8, 2648766), (12, 1765844), (16, 1324383), (24, 882922), (48, 441461)]