21304321919

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{13687}}^1$

素因数の和:13863

約数の個数: 32

約数和(自身を含む): 24441292800

約数和(自身を除く): 3136970881

約数列:

[1, 17, 19, 61, 79, 323, 1037, 1159, 1343, 1501, 4819, 13687, 19703, 25517, 81923, 91561, 232679, 260053, 834907, 1081273, 1556537, 4420901, 14193419, 15863233, 18381641, 20544187, 65957653, 269674961, 349251179, 1121280101, 1253195407, 21304321919]

約数ペア:

[(1, 21304321919), (17, 1253195407), (19, 1121280101), (61, 349251179), (79, 269674961), (323, 65957653), (1037, 20544187), (1159, 18381641), (1343, 15863233), (1501, 14193419), (4819, 4420901), (13687, 1556537), (19703, 1081273), (25517, 834907), (81923, 260053), (91561, 232679)]