21929126877

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{141439}}^1$

素因数の和:141582

約数の個数: 48

約数和(自身を含む): 38127697920

約数和(自身を除く): 16198571043

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 107, 161, 207, 321, 483, 749, 963, 1449, 2247, 2461, 6741, 7383, 17227, 22149, 51681, 141439, 155043, 424317, 990073, 1272951, 2970219, 3253097, 8910657, 9759291, 15133973, 22771679, 29277873, 45401919, 68315037, 105937811, 136205757, 204945111, 317813433, 348081379, 953440299, 1044244137, 2436569653, 3132732411, 7309708959, 21929126877]

約数ペア:

[(1, 21929126877), (3, 7309708959), (7, 3132732411), (9, 2436569653), (21, 1044244137), (23, 953440299), (63, 348081379), (69, 317813433), (107, 204945111), (161, 136205757), (207, 105937811), (321, 68315037), (483, 45401919), (749, 29277873), (963, 22771679), (1449, 15133973), (2247, 9759291), (2461, 8910657), (6741, 3253097), (7383, 2970219), (17227, 1272951), (22149, 990073), (51681, 424317), (141439, 155043)]