21350880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14827}}^1$

素因数の和:14848

約数の個数: 72

約数和(自身を含む): 72864792

約数和(自身を除く): 51513912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14827, 29654, 44481, 59308, 74135, 88962, 118616, 133443, 148270, 177924, 222405, 237232, 266886, 296540, 355848, 444810, 474464, 533772, 593080, 667215, 711696, 889620, 1067544, 1186160, 1334430, 1423392, 1779240, 2135088, 2372320, 2668860, 3558480, 4270176, 5337720, 7116960, 10675440, 21350880]

約数ペア:

[(1, 21350880), (2, 10675440), (3, 7116960), (4, 5337720), (5, 4270176), (6, 3558480), (8, 2668860), (9, 2372320), (10, 2135088), (12, 1779240), (15, 1423392), (16, 1334430), (18, 1186160), (20, 1067544), (24, 889620), (30, 711696), (32, 667215), (36, 593080), (40, 533772), (45, 474464), (48, 444810), (60, 355848), (72, 296540), (80, 266886), (90, 237232), (96, 222405), (120, 177924), (144, 148270), (160, 133443), (180, 118616), (240, 88962), (288, 74135), (360, 59308), (480, 44481), (720, 29654), (1440, 14827)]