21067560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19507}}^1$

素因数の和:19527

約数の個数: 64

約数和(自身を含む): 70228800

約数和(自身を除く): 49161240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19507, 39014, 58521, 78028, 97535, 117042, 156056, 175563, 195070, 234084, 292605, 351126, 390140, 468168, 526689, 585210, 702252, 780280, 877815, 1053378, 1170420, 1404504, 1755630, 2106756, 2340840, 2633445, 3511260, 4213512, 5266890, 7022520, 10533780, 21067560]

約数ペア:

[(1, 21067560), (2, 10533780), (3, 7022520), (4, 5266890), (5, 4213512), (6, 3511260), (8, 2633445), (9, 2340840), (10, 2106756), (12, 1755630), (15, 1404504), (18, 1170420), (20, 1053378), (24, 877815), (27, 780280), (30, 702252), (36, 585210), (40, 526689), (45, 468168), (54, 390140), (60, 351126), (72, 292605), (90, 234084), (108, 195070), (120, 175563), (135, 156056), (180, 117042), (216, 97535), (270, 78028), (360, 58521), (540, 39014), (1080, 19507)]