21367764

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53959}}^1$

素因数の和:53980

約数の個数: 36

約数和(自身を含む): 58924320

約数和(自身を除く): 37556556

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53959, 107918, 161877, 215836, 323754, 485631, 593549, 647508, 971262, 1187098, 1780647, 1942524, 2374196, 3561294, 5341941, 7122588, 10683882, 21367764]

約数ペア:

[(1, 21367764), (2, 10683882), (3, 7122588), (4, 5341941), (6, 3561294), (9, 2374196), (11, 1942524), (12, 1780647), (18, 1187098), (22, 971262), (33, 647508), (36, 593549), (44, 485631), (66, 323754), (99, 215836), (132, 161877), (198, 107918), (396, 53959)]