21904077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 11118003

約数列:

[1, 3, 13, 29, 39, 87, 107, 181, 321, 377, 543, 1131, 1391, 2353, 3103, 4173, 5249, 7059, 9309, 15747, 19367, 40339, 58101, 68237, 121017, 204711, 251771, 561643, 755313, 1684929, 7301359, 21904077]

約数ペア:

[(1, 21904077), (3, 7301359), (13, 1684929), (29, 755313), (39, 561643), (87, 251771), (107, 204711), (181, 121017), (321, 68237), (377, 58101), (543, 40339), (1131, 19367), (1391, 15747), (2353, 9309), (3103, 7059), (4173, 5249)]