21384960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5569}}^1$

素因数の和:5593

約数の個数: 72

約数和(自身を含む): 68310480

約数和(自身を除く): 46925520

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5569, 11138, 16707, 22276, 27845, 33414, 44552, 55690, 66828, 83535, 89104, 111380, 133656, 167070, 178208, 222760, 267312, 334140, 356416, 445520, 534624, 668280, 712832, 891040, 1069248, 1336560, 1425664, 1782080, 2138496, 2673120, 3564160, 4276992, 5346240, 7128320, 10692480, 21384960]

約数ペア:

[(1, 21384960), (2, 10692480), (3, 7128320), (4, 5346240), (5, 4276992), (6, 3564160), (8, 2673120), (10, 2138496), (12, 1782080), (15, 1425664), (16, 1336560), (20, 1069248), (24, 891040), (30, 712832), (32, 668280), (40, 534624), (48, 445520), (60, 356416), (64, 334140), (80, 267312), (96, 222760), (120, 178208), (128, 167070), (160, 133656), (192, 111380), (240, 89104), (256, 83535), (320, 66828), (384, 55690), (480, 44552), (640, 33414), (768, 27845), (960, 22276), (1280, 16707), (1920, 11138), (3840, 5569)]