21399480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59443}}^1$

素因数の和:59460

約数の個数: 48

約数和(自身を含む): 69549480

約数和(自身を除く): 48150000

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, 59443, 118886, 178329, 237772, 297215, 356658, 475544, 534987, 594430, 713316, 891645, 1069974, 1188860, 1426632, 1783290, 2139948, 2377720, 2674935, 3566580, 4279896, 5349870, 7133160, 10699740, 21399480]

約数ペア:

[(1, 21399480), (2, 10699740), (3, 7133160), (4, 5349870), (5, 4279896), (6, 3566580), (8, 2674935), (9, 2377720), (10, 2139948), (12, 1783290), (15, 1426632), (18, 1188860), (20, 1069974), (24, 891645), (30, 713316), (36, 594430), (40, 534987), (45, 475544), (60, 356658), (72, 297215), (90, 237772), (120, 178329), (180, 118886), (360, 59443)]