21063960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58511}}^1$

素因数の和:58528

約数の個数: 48

約数和(自身を含む): 68459040

約数和(自身を除く): 47395080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58511, 117022, 175533, 234044, 292555, 351066, 468088, 526599, 585110, 702132, 877665, 1053198, 1170220, 1404264, 1755330, 2106396, 2340440, 2632995, 3510660, 4212792, 5265990, 7021320, 10531980, 21063960]

約数ペア:

[(1, 21063960), (2, 10531980), (3, 7021320), (4, 5265990), (5, 4212792), (6, 3510660), (8, 2632995), (9, 2340440), (10, 2106396), (12, 1755330), (15, 1404264), (18, 1170220), (20, 1053198), (24, 877665), (30, 702132), (36, 585110), (40, 526599), (45, 468088), (60, 351066), (72, 292555), (90, 234044), (120, 175533), (180, 117022), (360, 58511)]