21721167369

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{4273}}^1\times {\mathrm{51347}}^1$

素因数の和:55637

約数の個数: 24

約数和(自身を含む): 34235970912

約数和(自身を除く): 12514803543

約数列:

[1, 3, 9, 11, 33, 99, 4273, 12819, 38457, 47003, 51347, 141009, 154041, 423027, 462123, 564817, 1694451, 5083353, 219405731, 658217193, 1974651579, 2413463041, 7240389123, 21721167369]

約数ペア:

[(1, 21721167369), (3, 7240389123), (9, 2413463041), (11, 1974651579), (33, 658217193), (99, 219405731), (4273, 5083353), (12819, 1694451), (38457, 564817), (47003, 462123), (51347, 423027), (141009, 154041)]