21709890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80407}}^1$

素因数の和:80423

約数の個数: 32

約数和(自身を含む): 57893760

約数和(自身を除く): 36183870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80407, 160814, 241221, 402035, 482442, 723663, 804070, 1206105, 1447326, 2170989, 2412210, 3618315, 4341978, 7236630, 10854945, 21709890]

約数ペア:

[(1, 21709890), (2, 10854945), (3, 7236630), (5, 4341978), (6, 3618315), (9, 2412210), (10, 2170989), (15, 1447326), (18, 1206105), (27, 804070), (30, 723663), (45, 482442), (54, 402035), (90, 241221), (135, 160814), (270, 80407)]