21628804546

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{541}}^1\times {\mathrm{55373}}^1$

素因数の和:55954

約数の個数: 24

約数和(自身を含む): 34304525244

約数和(自身を除く): 12675720698

約数列:

[1, 2, 19, 38, 361, 541, 722, 1082, 10279, 20558, 55373, 110746, 195301, 390602, 1052087, 2104174, 19989653, 29956793, 39979306, 59913586, 569179067, 1138358134, 10814402273, 21628804546]

約数ペア:

[(1, 21628804546), (2, 10814402273), (19, 1138358134), (38, 569179067), (361, 59913586), (541, 39979306), (722, 29956793), (1082, 19989653), (10279, 2104174), (20558, 1052087), (55373, 390602), (110746, 195301)]