21400320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5573}}^1$

素因数の和:5597

約数の個数: 72

約数和(自身を含む): 68359536

約数和(自身を除く): 46959216

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, 5573, 11146, 16719, 22292, 27865, 33438, 44584, 55730, 66876, 83595, 89168, 111460, 133752, 167190, 178336, 222920, 267504, 334380, 356672, 445840, 535008, 668760, 713344, 891680, 1070016, 1337520, 1426688, 1783360, 2140032, 2675040, 3566720, 4280064, 5350080, 7133440, 10700160, 21400320]

約数ペア:

[(1, 21400320), (2, 10700160), (3, 7133440), (4, 5350080), (5, 4280064), (6, 3566720), (8, 2675040), (10, 2140032), (12, 1783360), (15, 1426688), (16, 1337520), (20, 1070016), (24, 891680), (30, 713344), (32, 668760), (40, 535008), (48, 445840), (60, 356672), (64, 334380), (80, 267504), (96, 222920), (120, 178336), (128, 167190), (160, 133752), (192, 111460), (240, 89168), (256, 83595), (320, 66876), (384, 55730), (480, 44584), (640, 33438), (768, 27865), (960, 22292), (1280, 16719), (1920, 11146), (3840, 5573)]