21855840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45533}}^1$

素因数の和:45551

約数の個数: 48

約数和(自身を含む): 68847408

約数和(自身を除く): 46991568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45533, 91066, 136599, 182132, 227665, 273198, 364264, 455330, 546396, 682995, 728528, 910660, 1092792, 1365990, 1457056, 1821320, 2185584, 2731980, 3642640, 4371168, 5463960, 7285280, 10927920, 21855840]

約数ペア:

[(1, 21855840), (2, 10927920), (3, 7285280), (4, 5463960), (5, 4371168), (6, 3642640), (8, 2731980), (10, 2185584), (12, 1821320), (15, 1457056), (16, 1365990), (20, 1092792), (24, 910660), (30, 728528), (32, 682995), (40, 546396), (48, 455330), (60, 364264), (80, 273198), (96, 227665), (120, 182132), (160, 136599), (240, 91066), (480, 45533)]