21459840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11177}}^1$

素因数の和:11199

約数の個数: 64

約数和(自身を含む): 68409360

約数和(自身を除く): 46949520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11177, 22354, 33531, 44708, 55885, 67062, 89416, 111770, 134124, 167655, 178832, 223540, 268248, 335310, 357664, 447080, 536496, 670620, 715328, 894160, 1072992, 1341240, 1430656, 1788320, 2145984, 2682480, 3576640, 4291968, 5364960, 7153280, 10729920, 21459840]

約数ペア:

[(1, 21459840), (2, 10729920), (3, 7153280), (4, 5364960), (5, 4291968), (6, 3576640), (8, 2682480), (10, 2145984), (12, 1788320), (15, 1430656), (16, 1341240), (20, 1072992), (24, 894160), (30, 715328), (32, 670620), (40, 536496), (48, 447080), (60, 357664), (64, 335310), (80, 268248), (96, 223540), (120, 178832), (128, 167655), (160, 134124), (192, 111770), (240, 89416), (320, 67062), (384, 55885), (480, 44708), (640, 33531), (960, 22354), (1920, 11177)]