21252480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11069}}^1$

素因数の和:11091

約数の個数: 64

約数和(自身を含む): 67748400

約数和(自身を除く): 46495920

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, 11069, 22138, 33207, 44276, 55345, 66414, 88552, 110690, 132828, 166035, 177104, 221380, 265656, 332070, 354208, 442760, 531312, 664140, 708416, 885520, 1062624, 1328280, 1416832, 1771040, 2125248, 2656560, 3542080, 4250496, 5313120, 7084160, 10626240, 21252480]

約数ペア:

[(1, 21252480), (2, 10626240), (3, 7084160), (4, 5313120), (5, 4250496), (6, 3542080), (8, 2656560), (10, 2125248), (12, 1771040), (15, 1416832), (16, 1328280), (20, 1062624), (24, 885520), (30, 708416), (32, 664140), (40, 531312), (48, 442760), (60, 354208), (64, 332070), (80, 265656), (96, 221380), (120, 177104), (128, 166035), (160, 132828), (192, 110690), (240, 88552), (320, 66414), (384, 55345), (480, 44276), (640, 33207), (960, 22138), (1920, 11069)]